20412770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{881}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 42166656

約数和(自身を除く): 21753886

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 331, 662, 881, 1655, 1762, 2317, 3310, 4405, 4634, 6167, 8810, 11585, 12334, 23170, 30835, 61670, 291611, 583222, 1458055, 2041277, 2916110, 4082554, 10206385, 20412770]

約数ペア:

[(1, 20412770), (2, 10206385), (5, 4082554), (7, 2916110), (10, 2041277), (14, 1458055), (35, 583222), (70, 291611), (331, 61670), (662, 30835), (881, 23170), (1655, 12334), (1762, 11585), (2317, 8810), (3310, 6167), (4405, 4634)]