20243676440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:370

約数の個数: 256

約数和(自身を含む): 51819264000

約数和(自身を除く): 31575587560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 59, 65, 94, 101, 104, 118, 130, 139, 188, 202, 235, 236, 260, 278, 295, 376, 404, 470, 472, 505, 520, 556, 590, 611, 695, 767, 808, 940, 1010, 1112, 1180, 1222, 1313, 1390, 1534, 1807, 1880, 2020, 2360, 2444, 2626, 2773, 2780, 3055, 3068, 3614, 3835, 4040, 4747, 4888, 5252, 5546, 5560, 5959, 6110, 6136, 6533, 6565, 7228, 7670, 8201, 9035, 9494, 10504, 11092, 11918, 12220, 13066, 13130, 13865, 14039, 14456, 15340, 16402, 18070, 18988, 22184, 23735, 23836, 24440, 26132, 26260, 27730, 28078, 29795, 30680, 32665, 32804, 36049, 36140, 37976, 41005, 47470, 47672, 52264, 52520, 55460, 56156, 59590, 61711, 65330, 65608, 70195, 72098, 72280, 77467, 82010, 84929, 94940, 106613, 110920, 112312, 119180, 123422, 130660, 140390, 144196, 154934, 164020, 169858, 180245, 182507, 189880, 213226, 238360, 246844, 261320, 280073, 280780, 288392, 308555, 309868, 328040, 339716, 360490, 365014, 385447, 387335, 424645, 426452, 493688, 533065, 560146, 561560, 617110, 619736, 659833, 679432, 720980, 730028, 770894, 774670, 828301, 849290, 852904, 912535, 1066130, 1120292, 1234220, 1319666, 1400365, 1441960, 1460056, 1541788, 1549340, 1656602, 1698580, 1825070, 1927235, 2132260, 2240584, 2468440, 2639332, 2800730, 3083576, 3098680, 3299165, 3313204, 3397160, 3640949, 3650140, 3854470, 4141505, 4264520, 5010811, 5278664, 5601460, 6598330, 6626408, 7281898, 7300280, 7708940, 8283010, 8577829, 10021622, 10767913, 11202920, 13196660, 14563796, 15417880, 16566020, 17155658, 18204745, 20043244, 21535826, 25054055, 26393320, 29127592, 33132040, 34311316, 36409490, 38930147, 40086488, 42889145, 43071652, 50108110, 53839565, 68622632, 72818980, 77860294, 85778290, 86143304, 100216220, 107679130, 145637960, 155720588, 171556580, 194650735, 200432440, 215358260, 311441176, 343113160, 389301470, 430716520, 506091911, 778602940, 1012183822, 1557205880, 2024367644, 2530459555, 4048735288, 5060919110, 10121838220, 20243676440]

約数ペア:

[(1, 20243676440), (2, 10121838220), (4, 5060919110), (5, 4048735288), (8, 2530459555), (10, 2024367644), (13, 1557205880), (20, 1012183822), (26, 778602940), (40, 506091911), (47, 430716520), (52, 389301470), (59, 343113160), (65, 311441176), (94, 215358260), (101, 200432440), (104, 194650735), (118, 171556580), (130, 155720588), (139, 145637960), (188, 107679130), (202, 100216220), (235, 86143304), (236, 85778290), (260, 77860294), (278, 72818980), (295, 68622632), (376, 53839565), (404, 50108110), (470, 43071652), (472, 42889145), (505, 40086488), (520, 38930147), (556, 36409490), (590, 34311316), (611, 33132040), (695, 29127592), (767, 26393320), (808, 25054055), (940, 21535826), (1010, 20043244), (1112, 18204745), (1180, 17155658), (1222, 16566020), (1313, 15417880), (1390, 14563796), (1534, 13196660), (1807, 11202920), (1880, 10767913), (2020, 10021622), (2360, 8577829), (2444, 8283010), (2626, 7708940), (2773, 7300280), (2780, 7281898), (3055, 6626408), (3068, 6598330), (3614, 5601460), (3835, 5278664), (4040, 5010811), (4747, 4264520), (4888, 4141505), (5252, 3854470), (5546, 3650140), (5560, 3640949), (5959, 3397160), (6110, 3313204), (6136, 3299165), (6533, 3098680), (6565, 3083576), (7228, 2800730), (7670, 2639332), (8201, 2468440), (9035, 2240584), (9494, 2132260), (10504, 1927235), (11092, 1825070), (11918, 1698580), (12220, 1656602), (13066, 1549340), (13130, 1541788), (13865, 1460056), (14039, 1441960), (14456, 1400365), (15340, 1319666), (16402, 1234220), (18070, 1120292), (18988, 1066130), (22184, 912535), (23735, 852904), (23836, 849290), (24440, 828301), (26132, 774670), (26260, 770894), (27730, 730028), (28078, 720980), (29795, 679432), (30680, 659833), (32665, 619736), (32804, 617110), (36049, 561560), (36140, 560146), (37976, 533065), (41005, 493688), (47470, 426452), (47672, 424645), (52264, 387335), (52520, 385447), (55460, 365014), (56156, 360490), (59590, 339716), (61711, 328040), (65330, 309868), (65608, 308555), (70195, 288392), (72098, 280780), (72280, 280073), (77467, 261320), (82010, 246844), (84929, 238360), (94940, 213226), (106613, 189880), (110920, 182507), (112312, 180245), (119180, 169858), (123422, 164020), (130660, 154934), (140390, 144196)]