20358325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 27937448

約数和(自身を除く): 7579123

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 1693, 2405, 8465, 12025, 22009, 42325, 62641, 110045, 313205, 550225, 814333, 1566025, 4071665, 20358325]

約数ペア:

[(1, 20358325), (5, 4071665), (13, 1566025), (25, 814333), (37, 550225), (65, 313205), (185, 110045), (325, 62641), (481, 42325), (925, 22009), (1693, 12025), (2405, 8465)]