20025478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13940090

約数列:

[1, 2, 11, 22, 47, 94, 107, 181, 214, 362, 517, 1034, 1177, 1991, 2354, 3982, 5029, 8507, 10058, 17014, 19367, 38734, 55319, 93577, 110638, 187154, 213037, 426074, 910249, 1820498, 10012739, 20025478]

約数ペア:

[(1, 20025478), (2, 10012739), (11, 1820498), (22, 910249), (47, 426074), (94, 213037), (107, 187154), (181, 110638), (214, 93577), (362, 55319), (517, 38734), (1034, 19367), (1177, 17014), (1991, 10058), (2354, 8507), (3982, 5029)]