20877360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 80399616

約数和(自身を除く): 59522256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 43, 48, 51, 56, 60, 68, 70, 80, 84, 85, 86, 102, 105, 112, 119, 120, 129, 136, 140, 168, 170, 172, 204, 210, 215, 238, 240, 255, 258, 272, 280, 289, 301, 336, 340, 344, 357, 408, 420, 430, 476, 510, 516, 560, 578, 595, 602, 645, 680, 688, 714, 731, 816, 840, 860, 867, 903, 952, 1020, 1032, 1156, 1190, 1204, 1290, 1360, 1428, 1445, 1462, 1505, 1680, 1720, 1734, 1785, 1806, 1904, 2023, 2040, 2064, 2193, 2312, 2380, 2408, 2580, 2856, 2890, 2924, 3010, 3440, 3468, 3570, 3612, 3655, 4046, 4080, 4335, 4386, 4515, 4624, 4760, 4816, 5117, 5160, 5712, 5780, 5848, 6020, 6069, 6936, 7140, 7224, 7310, 8092, 8670, 8772, 9030, 9520, 10115, 10234, 10320, 10965, 11560, 11696, 12040, 12138, 12427, 13872, 14280, 14448, 14620, 15351, 16184, 17340, 17544, 18060, 20230, 20468, 21930, 23120, 24080, 24276, 24854, 25585, 28560, 29240, 30345, 30702, 32368, 34680, 35088, 36120, 37281, 40460, 40936, 43860, 48552, 49708, 51170, 58480, 60690, 61404, 62135, 69360, 72240, 74562, 76755, 80920, 81872, 86989, 87720, 97104, 99416, 102340, 121380, 122808, 124270, 149124, 153510, 161840, 173978, 175440, 186405, 198832, 204680, 242760, 245616, 248540, 260967, 298248, 307020, 347956, 372810, 409360, 434945, 485520, 497080, 521934, 596496, 614040, 695912, 745620, 869890, 994160, 1043868, 1228080, 1304835, 1391824, 1491240, 1739780, 2087736, 2609670, 2982480, 3479560, 4175472, 5219340, 6959120, 10438680, 20877360]

約数ペア:

[(1, 20877360), (2, 10438680), (3, 6959120), (4, 5219340), (5, 4175472), (6, 3479560), (7, 2982480), (8, 2609670), (10, 2087736), (12, 1739780), (14, 1491240), (15, 1391824), (16, 1304835), (17, 1228080), (20, 1043868), (21, 994160), (24, 869890), (28, 745620), (30, 695912), (34, 614040), (35, 596496), (40, 521934), (42, 497080), (43, 485520), (48, 434945), (51, 409360), (56, 372810), (60, 347956), (68, 307020), (70, 298248), (80, 260967), (84, 248540), (85, 245616), (86, 242760), (102, 204680), (105, 198832), (112, 186405), (119, 175440), (120, 173978), (129, 161840), (136, 153510), (140, 149124), (168, 124270), (170, 122808), (172, 121380), (204, 102340), (210, 99416), (215, 97104), (238, 87720), (240, 86989), (255, 81872), (258, 80920), (272, 76755), (280, 74562), (289, 72240), (301, 69360), (336, 62135), (340, 61404), (344, 60690), (357, 58480), (408, 51170), (420, 49708), (430, 48552), (476, 43860), (510, 40936), (516, 40460), (560, 37281), (578, 36120), (595, 35088), (602, 34680), (645, 32368), (680, 30702), (688, 30345), (714, 29240), (731, 28560), (816, 25585), (840, 24854), (860, 24276), (867, 24080), (903, 23120), (952, 21930), (1020, 20468), (1032, 20230), (1156, 18060), (1190, 17544), (1204, 17340), (1290, 16184), (1360, 15351), (1428, 14620), (1445, 14448), (1462, 14280), (1505, 13872), (1680, 12427), (1720, 12138), (1734, 12040), (1785, 11696), (1806, 11560), (1904, 10965), (2023, 10320), (2040, 10234), (2064, 10115), (2193, 9520), (2312, 9030), (2380, 8772), (2408, 8670), (2580, 8092), (2856, 7310), (2890, 7224), (2924, 7140), (3010, 6936), (3440, 6069), (3468, 6020), (3570, 5848), (3612, 5780), (3655, 5712), (4046, 5160), (4080, 5117), (4335, 4816), (4386, 4760), (4515, 4624)]