20387372

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 36456000

約数和(自身を除く): 16068628

約数列:

[1, 2, 4, 79, 149, 158, 298, 316, 433, 596, 866, 1732, 11771, 23542, 34207, 47084, 64517, 68414, 129034, 136828, 258068, 5096843, 10193686, 20387372]

約数ペア:

[(1, 20387372), (2, 10193686), (4, 5096843), (79, 258068), (149, 136828), (158, 129034), (298, 68414), (316, 64517), (433, 47084), (596, 34207), (866, 23542), (1732, 11771)]