20176556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1033}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 37348080

約数和(自身を除く): 17171524

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 1033, 2066, 4132, 4883, 9766, 19532, 19627, 39254, 78508, 265481, 530962, 1061924, 5044139, 10088278, 20176556]

約数ペア:

[(1, 20176556), (2, 10088278), (4, 5044139), (19, 1061924), (38, 530962), (76, 265481), (257, 78508), (514, 39254), (1028, 19627), (1033, 19532), (2066, 9766), (4132, 4883)]