20833208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3881}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 43323120

約数和(自身を除く): 22489912

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3881, 5368, 7762, 15524, 31048, 42691, 85382, 170764, 236741, 341528, 473482, 946964, 1893928, 2604151, 5208302, 10416604, 20833208]

約数ペア:

[(1, 20833208), (2, 10416604), (4, 5208302), (8, 2604151), (11, 1893928), (22, 946964), (44, 473482), (61, 341528), (88, 236741), (122, 170764), (244, 85382), (488, 42691), (671, 31048), (1342, 15524), (2684, 7762), (3881, 5368)]