20015212

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23059}}^1$

素因数の和:23101

約数の個数: 24

約数和(自身を含む): 41323520

約数和(自身を除く): 21308308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23059, 46118, 92236, 161413, 322826, 645652, 714829, 1429658, 2859316, 5003803, 10007606, 20015212]

約数ペア:

[(1, 20015212), (2, 10007606), (4, 5003803), (7, 2859316), (14, 1429658), (28, 714829), (31, 645652), (62, 322826), (124, 161413), (217, 92236), (434, 46118), (868, 23059)]