20886536

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21577}}^1$

素因数の和:21605

約数の個数: 24

約数和(自身を含む): 43048110

約数和(自身を除く): 22161574

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21577, 43154, 86308, 172616, 237347, 474694, 949388, 1898776, 2610817, 5221634, 10443268, 20886536]

約数ペア:

[(1, 20886536), (2, 10443268), (4, 5221634), (8, 2610817), (11, 1898776), (22, 949388), (44, 474694), (88, 237347), (121, 172616), (242, 86308), (484, 43154), (968, 21577)]