20213889927

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87506017}}^1$

素因数の和:87506038

約数の個数: 16

約数和(自身を含む): 33602310912

約数和(自身を除く): 13388420985

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87506017, 262518051, 612542119, 962566187, 1837626357, 2887698561, 6737963309, 20213889927]

約数ペア:

[(1, 20213889927), (3, 6737963309), (7, 2887698561), (11, 1837626357), (21, 962566187), (33, 612542119), (77, 262518051), (231, 87506017)]