20098251

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 30541056

約数和(自身を除く): 10442805

約数列:

[1, 3, 9, 23, 69, 151, 207, 453, 643, 1359, 1929, 3473, 5787, 10419, 14789, 31257, 44367, 97093, 133101, 291279, 873837, 2233139, 6699417, 20098251]

約数ペア:

[(1, 20098251), (3, 6699417), (9, 2233139), (23, 873837), (69, 291279), (151, 133101), (207, 97093), (453, 44367), (643, 31257), (1359, 14789), (1929, 10419), (3473, 5787)]