20642730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29917}}^1$

素因数の和:29950

約数の個数: 32

約数和(自身を含む): 51698304

約数和(自身を除く): 31055574

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 29917, 59834, 89751, 149585, 179502, 299170, 448755, 688091, 897510, 1376182, 2064273, 3440455, 4128546, 6880910, 10321365, 20642730]

約数ペア:

[(1, 20642730), (2, 10321365), (3, 6880910), (5, 4128546), (6, 3440455), (10, 2064273), (15, 1376182), (23, 897510), (30, 688091), (46, 448755), (69, 299170), (115, 179502), (138, 149585), (230, 89751), (345, 59834), (690, 29917)]