20953035

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1297}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 36447840

約数和(自身を除く): 15494805

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1297, 1795, 3231, 3891, 5385, 6485, 11673, 16155, 19455, 58365, 465623, 1396869, 2328115, 4190607, 6984345, 20953035]

約数ペア:

[(1, 20953035), (3, 6984345), (5, 4190607), (9, 2328115), (15, 1396869), (45, 465623), (359, 58365), (1077, 19455), (1297, 16155), (1795, 11673), (3231, 6485), (3891, 5385)]