20522945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 26040000

約数和(自身を除く): 5517055

約数列:

[1, 5, 19, 95, 349, 619, 1745, 3095, 6631, 11761, 33155, 58805, 216031, 1080155, 4104589, 20522945]

約数ペア:

[(1, 20522945), (5, 4104589), (19, 1080155), (95, 216031), (349, 58805), (619, 33155), (1745, 11761), (3095, 6631)]