20810145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44753}}^1$

素因数の和:44792

約数の個数: 16

約数和(自身を含む): 34371072

約数和(自身を除く): 13560927

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 44753, 134259, 223765, 671295, 1387343, 4162029, 6936715, 20810145]

約数ペア:

[(1, 20810145), (3, 6936715), (5, 4162029), (15, 1387343), (31, 671295), (93, 223765), (155, 134259), (465, 44753)]