20132621780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16502149}}^1$

素因数の和:16502219

約数の個数: 24

約数和(自身を含む): 42971598600

約数和(自身を除く): 22838976820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16502149, 33004298, 66008596, 82510745, 165021490, 330042980, 1006631089, 2013262178, 4026524356, 5033155445, 10066310890, 20132621780]

約数ペア:

[(1, 20132621780), (2, 10066310890), (4, 5033155445), (5, 4026524356), (10, 2013262178), (20, 1006631089), (61, 330042980), (122, 165021490), (244, 82510745), (305, 66008596), (610, 33004298), (1220, 16502149)]