20178000945

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1860581}}^1$

素因数の和:1860833

約数の個数: 24

約数和(自身を含む): 35120345832

約数和(自身を除く): 14942344887

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 3615, 10845, 1860581, 5581743, 9302905, 16745229, 27908715, 83726145, 448400021, 1345200063, 2242000105, 4035600189, 6726000315, 20178000945]

約数ペア:

[(1, 20178000945), (3, 6726000315), (5, 4035600189), (9, 2242000105), (15, 1345200063), (45, 448400021), (241, 83726145), (723, 27908715), (1205, 16745229), (2169, 9302905), (3615, 5581743), (10845, 1860581)]