20000643

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 29233152

約数和(自身を除く): 9232509

約数列:

[1, 3, 13, 39, 103, 169, 309, 383, 507, 1149, 1339, 4017, 4979, 14937, 17407, 39449, 52221, 64727, 118347, 194181, 512837, 1538511, 6666881, 20000643]

約数ペア:

[(1, 20000643), (3, 6666881), (13, 1538511), (39, 512837), (103, 194181), (169, 118347), (309, 64727), (383, 52221), (507, 39449), (1149, 17407), (1339, 14937), (4017, 4979)]