20312685

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1873}}^1$

素因数の和:2125

約数の個数: 24

約数和(自身を含む): 35373624

約数和(自身を除く): 15060939

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 1873, 2169, 3615, 5619, 9365, 10845, 16857, 28095, 84285, 451393, 1354179, 2256965, 4062537, 6770895, 20312685]

約数ペア:

[(1, 20312685), (3, 6770895), (5, 4062537), (9, 2256965), (15, 1354179), (45, 451393), (241, 84285), (723, 28095), (1205, 16857), (1873, 10845), (2169, 9365), (3615, 5619)]