20808548725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{191299}}^1$

素因数の和:191557

約数の個数: 24

約数和(自身を含む): 27279380000

約数和(自身を除く): 6470831275

約数列:

[1, 5, 19, 25, 95, 229, 475, 1145, 4351, 5725, 21755, 108775, 191299, 956495, 3634681, 4782475, 18173405, 43807471, 90867025, 219037355, 832341949, 1095186775, 4161709745, 20808548725]

約数ペア:

[(1, 20808548725), (5, 4161709745), (19, 1095186775), (25, 832341949), (95, 219037355), (229, 90867025), (475, 43807471), (1145, 18173405), (4351, 4782475), (5725, 3634681), (21755, 956495), (108775, 191299)]