20853404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36457}}^1$

素因数の和:36485

約数の個数: 24

約数和(自身を含む): 42874608

約数和(自身を除く): 22021204

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36457, 72914, 145828, 401027, 473941, 802054, 947882, 1604108, 1895764, 5213351, 10426702, 20853404]

約数ペア:

[(1, 20853404), (2, 10426702), (4, 5213351), (11, 1895764), (13, 1604108), (22, 947882), (26, 802054), (44, 473941), (52, 401027), (143, 145828), (286, 72914), (572, 36457)]