20663896

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21347}}^1$

素因数の和:21375

約数の個数: 24

約数和(自身を含む): 42589260

約数和(自身を除く): 21925364

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21347, 42694, 85388, 170776, 234817, 469634, 939268, 1878536, 2582987, 5165974, 10331948, 20663896]

約数ペア:

[(1, 20663896), (2, 10331948), (4, 5165974), (8, 2582987), (11, 1878536), (22, 939268), (44, 469634), (88, 234817), (121, 170776), (242, 85388), (484, 42694), (968, 21347)]