20418635

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 26676720

約数和(自身を除く): 6258085

約数列:

[1, 5, 19, 37, 95, 157, 185, 703, 785, 1369, 2983, 3515, 5809, 6845, 14915, 26011, 29045, 110371, 130055, 214933, 551855, 1074665, 4083727, 20418635]

約数ペア:

[(1, 20418635), (5, 4083727), (19, 1074665), (37, 551855), (95, 214933), (157, 130055), (185, 110371), (703, 29045), (785, 26011), (1369, 14915), (2983, 6845), (3515, 5809)]