20638896

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11621}}^1$

素因数の和:11669

約数の個数: 40

約数和(自身を含む): 54762864

約数和(自身を除く): 34123968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11621, 23242, 34863, 46484, 69726, 92968, 139452, 185936, 278904, 429977, 557808, 859954, 1289931, 1719908, 2579862, 3439816, 5159724, 6879632, 10319448, 20638896]

約数ペア:

[(1, 20638896), (2, 10319448), (3, 6879632), (4, 5159724), (6, 3439816), (8, 2579862), (12, 1719908), (16, 1289931), (24, 859954), (37, 557808), (48, 429977), (74, 278904), (111, 185936), (148, 139452), (222, 92968), (296, 69726), (444, 46484), (592, 34863), (888, 23242), (1776, 11621)]