20175494

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1087

約数の個数: 16

約数和(自身を含む): 30888000

約数和(自身を除く): 10712506

約数列:

[1, 2, 79, 149, 158, 298, 857, 1714, 11771, 23542, 67703, 127693, 135406, 255386, 10087747, 20175494]

約数ペア:

[(1, 20175494), (2, 10087747), (79, 255386), (149, 135406), (158, 127693), (298, 67703), (857, 23542), (1714, 11771)]