20623340

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1049}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 43394400

約数和(自身を除く): 22771060

約数列:

[1, 2, 4, 5, 10, 20, 983, 1049, 1966, 2098, 3932, 4196, 4915, 5245, 9830, 10490, 19660, 20980, 1031167, 2062334, 4124668, 5155835, 10311670, 20623340]

約数ペア:

[(1, 20623340), (2, 10311670), (4, 5155835), (5, 4124668), (10, 2062334), (20, 1031167), (983, 20980), (1049, 19660), (1966, 10490), (2098, 9830), (3932, 5245), (4196, 4915)]