20123758705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{607}}^1\times {\mathrm{757}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 25550300160

約数和(自身を除く): 5426541455

約数列:

[1, 5, 19, 95, 461, 607, 757, 2305, 3035, 3785, 8759, 11533, 14383, 43795, 57665, 71915, 279827, 348977, 459499, 1399135, 1744885, 2297495, 5316713, 6630563, 8730481, 26583565, 33152815, 43652405, 211829039, 1059145195, 4024751741, 20123758705]

約数ペア:

[(1, 20123758705), (5, 4024751741), (19, 1059145195), (95, 211829039), (461, 43652405), (607, 33152815), (757, 26583565), (2305, 8730481), (3035, 6630563), (3785, 5316713), (8759, 2297495), (11533, 1744885), (14383, 1399135), (43795, 459499), (57665, 348977), (71915, 279827)]