20355380

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1277}}^1$

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 42833448

約数和(自身を除く): 22478068

約数列:

[1, 2, 4, 5, 10, 20, 797, 1277, 1594, 2554, 3188, 3985, 5108, 6385, 7970, 12770, 15940, 25540, 1017769, 2035538, 4071076, 5088845, 10177690, 20355380]

約数ペア:

[(1, 20355380), (2, 10177690), (4, 5088845), (5, 4071076), (10, 2035538), (20, 1017769), (797, 25540), (1277, 15940), (1594, 12770), (2554, 7970), (3188, 6385), (3985, 5108)]