20015142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2137}}^1$

素因数の和:2372

約数の個数: 32

約数和(自身を含む): 45975552

約数和(自身を除く): 25960410

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 223, 446, 669, 1338, 1561, 2137, 3122, 4274, 4683, 6411, 9366, 12822, 14959, 29918, 44877, 89754, 476551, 953102, 1429653, 2859306, 3335857, 6671714, 10007571, 20015142]

約数ペア:

[(1, 20015142), (2, 10007571), (3, 6671714), (6, 3335857), (7, 2859306), (14, 1429653), (21, 953102), (42, 476551), (223, 89754), (446, 44877), (669, 29918), (1338, 14959), (1561, 12822), (2137, 9366), (3122, 6411), (4274, 4683)]