20495409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{3719}}^1$

素因数の和:3900

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 9502671

約数列:

[1, 3, 11, 33, 167, 501, 1837, 3719, 5511, 11157, 40909, 122727, 621073, 1863219, 6831803, 20495409]

約数ペア:

[(1, 20495409), (3, 6831803), (11, 1863219), (33, 621073), (167, 122727), (501, 40909), (1837, 11157), (3719, 5511)]