20368391940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{22727}}^1$

素因数の和:23138

約数の個数: 144

約数和(自身を含む): 66713407488

約数和(自身を除く): 46345015548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 383, 390, 468, 585, 766, 780, 1149, 1170, 1532, 1915, 2298, 2340, 3447, 3830, 4596, 4979, 5745, 6894, 7660, 9958, 11490, 13788, 14937, 17235, 19916, 22727, 22980, 24895, 29874, 34470, 44811, 45454, 49790, 59748, 68181, 68940, 74685, 89622, 90908, 99580, 113635, 136362, 149370, 179244, 204543, 224055, 227270, 272724, 295451, 298740, 340905, 409086, 448110, 454540, 590902, 681810, 818172, 886353, 896220, 1022715, 1181804, 1363620, 1477255, 1772706, 2045430, 2659059, 2954510, 3545412, 4090860, 4431765, 5318118, 5909020, 8704441, 8863530, 10636236, 13295295, 17408882, 17727060, 26113323, 26590590, 34817764, 43522205, 52226646, 53181180, 78339969, 87044410, 104453292, 113157733, 130566615, 156679938, 174088820, 226315466, 261133230, 313359876, 339473199, 391699845, 452630932, 522266460, 565788665, 678946398, 783399690, 1018419597, 1131577330, 1357892796, 1566799380, 1697365995, 2036839194, 2263154660, 3394731990, 4073678388, 5092097985, 6789463980, 10184195970, 20368391940]

約数ペア:

[(1, 20368391940), (2, 10184195970), (3, 6789463980), (4, 5092097985), (5, 4073678388), (6, 3394731990), (9, 2263154660), (10, 2036839194), (12, 1697365995), (13, 1566799380), (15, 1357892796), (18, 1131577330), (20, 1018419597), (26, 783399690), (30, 678946398), (36, 565788665), (39, 522266460), (45, 452630932), (52, 391699845), (60, 339473199), (65, 313359876), (78, 261133230), (90, 226315466), (117, 174088820), (130, 156679938), (156, 130566615), (180, 113157733), (195, 104453292), (234, 87044410), (260, 78339969), (383, 53181180), (390, 52226646), (468, 43522205), (585, 34817764), (766, 26590590), (780, 26113323), (1149, 17727060), (1170, 17408882), (1532, 13295295), (1915, 10636236), (2298, 8863530), (2340, 8704441), (3447, 5909020), (3830, 5318118), (4596, 4431765), (4979, 4090860), (5745, 3545412), (6894, 2954510), (7660, 2659059), (9958, 2045430), (11490, 1772706), (13788, 1477255), (14937, 1363620), (17235, 1181804), (19916, 1022715), (22727, 896220), (22980, 886353), (24895, 818172), (29874, 681810), (34470, 590902), (44811, 454540), (45454, 448110), (49790, 409086), (59748, 340905), (68181, 298740), (68940, 295451), (74685, 272724), (89622, 227270), (90908, 224055), (99580, 204543), (113635, 179244), (136362, 149370)]