20887936

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{3079}}^1$

素因数の和:3146

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21523664

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 424, 848, 1696, 3079, 3392, 6158, 6784, 12316, 24632, 49264, 98528, 163187, 197056, 326374, 394112, 652748, 1305496, 2610992, 5221984, 10443968, 20887936]

約数ペア:

[(1, 20887936), (2, 10443968), (4, 5221984), (8, 2610992), (16, 1305496), (32, 652748), (53, 394112), (64, 326374), (106, 197056), (128, 163187), (212, 98528), (424, 49264), (848, 24632), (1696, 12316), (3079, 6784), (3392, 6158)]