20455060

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2083}}^1$

素因数の和:2583

約数の個数: 24

約数和(自身を含む): 43063776

約数和(自身を除く): 22608716

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2083, 2455, 4166, 4910, 8332, 9820, 10415, 20830, 41660, 1022753, 2045506, 4091012, 5113765, 10227530, 20455060]

約数ペア:

[(1, 20455060), (2, 10227530), (4, 5113765), (5, 4091012), (10, 2045506), (20, 1022753), (491, 41660), (982, 20830), (1964, 10415), (2083, 9820), (2455, 8332), (4166, 4910)]