20195864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11423}}^1$

素因数の和:11459

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 22986856

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11423, 22846, 45692, 91384, 148499, 194191, 296998, 388382, 593996, 776764, 1187992, 1553528, 2524483, 5048966, 10097932, 20195864]

約数ペア:

[(1, 20195864), (2, 10097932), (4, 5048966), (8, 2524483), (13, 1553528), (17, 1187992), (26, 776764), (34, 593996), (52, 388382), (68, 296998), (104, 194191), (136, 148499), (221, 91384), (442, 45692), (884, 22846), (1768, 11423)]