20492355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5531}}^1$

素因数の和:5571

約数の個数: 32

約数和(自身を含む): 37175040

約数和(自身を除く): 16682685

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5531, 16593, 27655, 71903, 82965, 105089, 215709, 315267, 359515, 525445, 1078545, 1366157, 1576335, 4098471, 6830785, 20492355]

約数ペア:

[(1, 20492355), (3, 6830785), (5, 4098471), (13, 1576335), (15, 1366157), (19, 1078545), (39, 525445), (57, 359515), (65, 315267), (95, 215709), (195, 105089), (247, 82965), (285, 71903), (741, 27655), (1235, 16593), (3705, 5531)]