20663852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8861}}^1$

素因数の和:8929

約数の個数: 24

約数和(自身を含む): 40198032

約数和(自身を除く): 19534180

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8861, 17722, 35444, 97471, 194942, 389884, 469633, 939266, 1878532, 5165963, 10331926, 20663852]

約数ペア:

[(1, 20663852), (2, 10331926), (4, 5165963), (11, 1878532), (22, 939266), (44, 469633), (53, 389884), (106, 194942), (212, 97471), (583, 35444), (1166, 17722), (2332, 8861)]