20123956485

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2961583}}^1$

素因数の和:2961745

約数の個数: 24

約数和(自身を含む): 35112539904

約数和(自身を除く): 14988583419

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 2961583, 8884749, 14807915, 26654247, 44423745, 133271235, 447199033, 1341597099, 2235995165, 4024791297, 6707985495, 20123956485]

約数ペア:

[(1, 20123956485), (3, 6707985495), (5, 4024791297), (9, 2235995165), (15, 1341597099), (45, 447199033), (151, 133271235), (453, 44423745), (755, 26654247), (1359, 14807915), (2265, 8884749), (6795, 2961583)]