22764820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87557}}^1$

素因数の和:87579

約数の個数: 24

約数和(自身を含む): 51484104

約数和(自身を除く): 28719284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 87557, 175114, 350228, 437785, 875570, 1138241, 1751140, 2276482, 4552964, 5691205, 11382410, 22764820]

約数ペア:

[(1, 22764820), (2, 11382410), (4, 5691205), (5, 4552964), (10, 2276482), (13, 1751140), (20, 1138241), (26, 875570), (52, 437785), (65, 350228), (130, 175114), (260, 87557)]