19954976

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8783}}^1$

素因数の和:8864

約数の個数: 24

約数和(自身を含む): 39844224

約数和(自身を除く): 19889248

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8783, 17566, 35132, 70264, 140528, 281056, 623593, 1247186, 2494372, 4988744, 9977488, 19954976]

約数ペア:

[(1, 19954976), (2, 9977488), (4, 4988744), (8, 2494372), (16, 1247186), (32, 623593), (71, 281056), (142, 140528), (284, 70264), (568, 35132), (1136, 17566), (2272, 8783)]