20275185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10163}}^1$

素因数の和:10197

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 18754575

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10163, 30489, 50815, 71141, 152445, 193097, 213423, 355705, 579291, 965485, 1067115, 1351679, 2896455, 4055037, 6758395, 20275185]

約数ペア:

[(1, 20275185), (3, 6758395), (5, 4055037), (7, 2896455), (15, 1351679), (19, 1067115), (21, 965485), (35, 579291), (57, 355705), (95, 213423), (105, 193097), (133, 152445), (285, 71141), (399, 50815), (665, 30489), (1995, 10163)]