20908116

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9521}}^1$

素因数の和:9592

約数の個数: 36

約数和(自身を含む): 53723124

約数和(自身を除く): 32815008

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9521, 19042, 28563, 38084, 57126, 85689, 114252, 171378, 342756, 580781, 1161562, 1742343, 2323124, 3484686, 5227029, 6969372, 10454058, 20908116]

約数ペア:

[(1, 20908116), (2, 10454058), (3, 6969372), (4, 5227029), (6, 3484686), (9, 2323124), (12, 1742343), (18, 1161562), (36, 580781), (61, 342756), (122, 171378), (183, 114252), (244, 85689), (366, 57126), (549, 38084), (732, 28563), (1098, 19042), (2196, 9521)]