20448010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{881}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 40388544

約数和(自身を除く): 19940534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 881, 1055, 1762, 2110, 2321, 4405, 4642, 8810, 9691, 11605, 19382, 23210, 48455, 96910, 185891, 371782, 929455, 1858910, 2044801, 4089602, 10224005, 20448010]

約数ペア:

[(1, 20448010), (2, 10224005), (5, 4089602), (10, 2044801), (11, 1858910), (22, 929455), (55, 371782), (110, 185891), (211, 96910), (422, 48455), (881, 23210), (1055, 19382), (1762, 11605), (2110, 9691), (2321, 8810), (4405, 4642)]