20410972

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{719}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 16360868

約数列:

[1, 2, 4, 47, 94, 151, 188, 302, 604, 719, 1438, 2876, 7097, 14194, 28388, 33793, 67586, 108569, 135172, 217138, 434276, 5102743, 10205486, 20410972]

約数ペア:

[(1, 20410972), (2, 10205486), (4, 5102743), (47, 434276), (94, 217138), (151, 135172), (188, 108569), (302, 67586), (604, 33793), (719, 28388), (1438, 14194), (2876, 7097)]