20923460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22259}}^1$

素因数の和:22315

約数の個数: 24

約数和(自身を含む): 44876160

約数和(自身を除く): 23952700

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22259, 44518, 89036, 111295, 222590, 445180, 1046173, 2092346, 4184692, 5230865, 10461730, 20923460]

約数ペア:

[(1, 20923460), (2, 10461730), (4, 5230865), (5, 4184692), (10, 2092346), (20, 1046173), (47, 445180), (94, 222590), (188, 111295), (235, 89036), (470, 44518), (940, 22259)]