20392945380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1857281}}^1$

素因数の和:1857357

約数の個数: 72

約数和(自身を含む): 62872710264

約数和(自身を除く): 42479764884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 1857281, 3714562, 5571843, 7429124, 9286405, 11143686, 16715529, 18572810, 22287372, 27859215, 33431058, 37145620, 55718430, 66862116, 83577645, 111436860, 113294141, 167155290, 226588282, 334310580, 339882423, 453176564, 566470705, 679764846, 1019647269, 1132941410, 1359529692, 1699412115, 2039294538, 2265882820, 3398824230, 4078589076, 5098236345, 6797648460, 10196472690, 20392945380]

約数ペア:

[(1, 20392945380), (2, 10196472690), (3, 6797648460), (4, 5098236345), (5, 4078589076), (6, 3398824230), (9, 2265882820), (10, 2039294538), (12, 1699412115), (15, 1359529692), (18, 1132941410), (20, 1019647269), (30, 679764846), (36, 566470705), (45, 453176564), (60, 339882423), (61, 334310580), (90, 226588282), (122, 167155290), (180, 113294141), (183, 111436860), (244, 83577645), (305, 66862116), (366, 55718430), (549, 37145620), (610, 33431058), (732, 27859215), (915, 22287372), (1098, 18572810), (1220, 16715529), (1830, 11143686), (2196, 9286405), (2745, 7429124), (3660, 5571843), (5490, 3714562), (10980, 1857281)]