20215398621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1097}}^1\times {\mathrm{558421}}^1$

素因数の和:559532

約数の個数: 16

約数和(自身を含む): 29431073088

約数和(自身を除く): 9215674467

約数列:

[1, 3, 11, 33, 1097, 3291, 12067, 36201, 558421, 1675263, 6142631, 18427893, 612587837, 1837763511, 6738466207, 20215398621]

約数ペア:

[(1, 20215398621), (3, 6738466207), (11, 1837763511), (33, 612587837), (1097, 18427893), (3291, 6142631), (12067, 1675263), (36201, 558421)]