20429152

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 43055712

約数和(自身を除く): 22626560

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 82, 92, 164, 184, 328, 368, 656, 677, 736, 943, 1312, 1354, 1886, 2708, 3772, 5416, 7544, 10832, 15088, 15571, 21664, 27757, 30176, 31142, 55514, 62284, 111028, 124568, 222056, 249136, 444112, 498272, 638411, 888224, 1276822, 2553644, 5107288, 10214576, 20429152]

約数ペア:

[(1, 20429152), (2, 10214576), (4, 5107288), (8, 2553644), (16, 1276822), (23, 888224), (32, 638411), (41, 498272), (46, 444112), (82, 249136), (92, 222056), (164, 124568), (184, 111028), (328, 62284), (368, 55514), (656, 31142), (677, 30176), (736, 27757), (943, 21664), (1312, 15571), (1354, 15088), (1886, 10832), (2708, 7544), (3772, 5416)]