20085819

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 29294640

約数和(自身を除く): 9208821

約数列:

[1, 3, 13, 39, 169, 173, 229, 507, 519, 687, 2249, 2977, 6747, 8931, 29237, 38701, 39617, 87711, 116103, 118851, 515021, 1545063, 6695273, 20085819]

約数ペア:

[(1, 20085819), (3, 6695273), (13, 1545063), (39, 515021), (169, 118851), (173, 116103), (229, 87711), (507, 39617), (519, 38701), (687, 29237), (2249, 8931), (2977, 6747)]