20655472

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:146

約数の個数: 60

約数和(自身を含む): 43965936

約数和(自身を除く): 23310464

約数列:

[1, 2, 4, 8, 16, 23, 37, 41, 46, 74, 82, 92, 148, 164, 184, 296, 328, 368, 592, 656, 851, 943, 1369, 1517, 1702, 1886, 2738, 3034, 3404, 3772, 5476, 6068, 6808, 7544, 10952, 12136, 13616, 15088, 21904, 24272, 31487, 34891, 56129, 62974, 69782, 112258, 125948, 139564, 224516, 251896, 279128, 449032, 503792, 558256, 898064, 1290967, 2581934, 5163868, 10327736, 20655472]

約数ペア:

[(1, 20655472), (2, 10327736), (4, 5163868), (8, 2581934), (16, 1290967), (23, 898064), (37, 558256), (41, 503792), (46, 449032), (74, 279128), (82, 251896), (92, 224516), (148, 139564), (164, 125948), (184, 112258), (296, 69782), (328, 62974), (368, 56129), (592, 34891), (656, 31487), (851, 24272), (943, 21904), (1369, 15088), (1517, 13616), (1702, 12136), (1886, 10952), (2738, 7544), (3034, 6808), (3404, 6068), (3772, 5476)]