20547460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21859}}^1$

素因数の和:21915

約数の個数: 24

約数和(自身を含む): 44069760

約数和(自身を除く): 23522300

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21859, 43718, 87436, 109295, 218590, 437180, 1027373, 2054746, 4109492, 5136865, 10273730, 20547460]

約数ペア:

[(1, 20547460), (2, 10273730), (4, 5136865), (5, 4109492), (10, 2054746), (20, 1027373), (47, 437180), (94, 218590), (188, 109295), (235, 87436), (470, 43718), (940, 21859)]