20474060

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1033}}^1$

素因数の和:2033

約数の個数: 24

約数和(自身を含む): 43080576

約数和(自身を除く): 22606516

約数列:

[1, 2, 4, 5, 10, 20, 991, 1033, 1982, 2066, 3964, 4132, 4955, 5165, 9910, 10330, 19820, 20660, 1023703, 2047406, 4094812, 5118515, 10237030, 20474060]

約数ペア:

[(1, 20474060), (2, 10237030), (4, 5118515), (5, 4094812), (10, 2047406), (20, 1023703), (991, 20660), (1033, 19820), (1982, 10330), (2066, 9910), (3964, 5165), (4132, 4955)]