20051908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2251}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 37455264

約数和(自身を除く): 17403356

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2251, 4454, 4502, 8908, 9004, 38267, 76534, 153068, 294881, 589762, 1179524, 5012977, 10025954, 20051908]

約数ペア:

[(1, 20051908), (2, 10025954), (4, 5012977), (17, 1179524), (34, 589762), (68, 294881), (131, 153068), (262, 76534), (524, 38267), (2227, 9004), (2251, 8908), (4454, 4502)]