20215806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259177}}^1$

素因数の和:259195

約数の個数: 16

約数和(自身を含む): 43541904

約数和(自身を除く): 23326098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 259177, 518354, 777531, 1555062, 3369301, 6738602, 10107903, 20215806]

約数ペア:

[(1, 20215806), (2, 10107903), (3, 6738602), (6, 3369301), (13, 1555062), (26, 777531), (39, 518354), (78, 259177)]