20409472

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{3889}}^1$

素因数の和:3944

約数の個数: 32

約数和(自身を含む): 41661900

約数和(自身を除く): 21252428

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 3889, 5248, 7778, 15556, 31112, 62224, 124448, 159449, 248896, 318898, 497792, 637796, 1275592, 2551184, 5102368, 10204736, 20409472]

約数ペア:

[(1, 20409472), (2, 10204736), (4, 5102368), (8, 2551184), (16, 1275592), (32, 637796), (41, 497792), (64, 318898), (82, 248896), (128, 159449), (164, 124448), (328, 62224), (656, 31112), (1312, 15556), (2624, 7778), (3889, 5248)]