9920444

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 17936688

約数和(自身を除く): 8016244

約数列:

[1, 2, 4, 43, 86, 137, 172, 274, 421, 548, 842, 1684, 5891, 11782, 18103, 23564, 36206, 57677, 72412, 115354, 230708, 2480111, 4960222, 9920444]

約数ペア:

[(1, 9920444), (2, 4960222), (4, 2480111), (43, 230708), (86, 115354), (137, 72412), (172, 57677), (274, 36206), (421, 23564), (548, 18103), (842, 11782), (1684, 5891)]