20889275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2053}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 29035344

約数和(自身を除く): 8146069

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 2053, 10175, 10265, 22583, 51325, 75961, 112915, 379805, 564575, 835571, 1899025, 4177855, 20889275]

約数ペア:

[(1, 20889275), (5, 4177855), (11, 1899025), (25, 835571), (37, 564575), (55, 379805), (185, 112915), (275, 75961), (407, 51325), (925, 22583), (2035, 10265), (2053, 10175)]