20523465

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2731}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 35800128

約数和(自身を除く): 15276663

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505, 2731, 7515, 8193, 13655, 24579, 40965, 122895, 456077, 1368231, 2280385, 4104693, 6841155, 20523465]

約数ペア:

[(1, 20523465), (3, 6841155), (5, 4104693), (9, 2280385), (15, 1368231), (45, 456077), (167, 122895), (501, 40965), (835, 24579), (1503, 13655), (2505, 8193), (2731, 7515)]