20456635

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{617}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 25956000

約数和(自身を除く): 5499365

約数列:

[1, 5, 19, 95, 349, 617, 1745, 3085, 6631, 11723, 33155, 58615, 215333, 1076665, 4091327, 20456635]

約数ペア:

[(1, 20456635), (5, 4091327), (19, 1076665), (95, 215333), (349, 58615), (617, 33155), (1745, 11723), (3085, 6631)]