20553544

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 44887500

約数和(自身を除く): 24333956

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 968, 1249, 1496, 2057, 2498, 4114, 4996, 8228, 9992, 13739, 16456, 21233, 27478, 42466, 54956, 84932, 109912, 151129, 169864, 233563, 302258, 467126, 604516, 934252, 1209032, 1868504, 2569193, 5138386, 10276772, 20553544]

約数ペア:

[(1, 20553544), (2, 10276772), (4, 5138386), (8, 2569193), (11, 1868504), (17, 1209032), (22, 934252), (34, 604516), (44, 467126), (68, 302258), (88, 233563), (121, 169864), (136, 151129), (187, 109912), (242, 84932), (374, 54956), (484, 42466), (748, 27478), (968, 21233), (1249, 16456), (1496, 13739), (2057, 9992), (2498, 8228), (4114, 4996)]