20018906

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1013}}^1$

素因数の和:1297

約数の個数: 16

約数和(自身を含む): 30918888

約数和(自身を除く): 10899982

約数列:

[1, 2, 41, 82, 241, 482, 1013, 2026, 9881, 19762, 41533, 83066, 244133, 488266, 10009453, 20018906]

約数ペア:

[(1, 20018906), (2, 10009453), (41, 488266), (82, 244133), (241, 83066), (482, 41533), (1013, 19762), (2026, 9881)]