22390220

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1579}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 47115600

約数和(自身を除く): 24725380

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 1579, 2836, 3158, 3545, 6316, 7090, 7895, 14180, 15790, 31580, 1119511, 2239022, 4478044, 5597555, 11195110, 22390220]

約数ペア:

[(1, 22390220), (2, 11195110), (4, 5597555), (5, 4478044), (10, 2239022), (20, 1119511), (709, 31580), (1418, 15790), (1579, 14180), (2836, 7895), (3158, 7090), (3545, 6316)]