20797260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31511}}^1$

素因数の和:31534

約数の個数: 48

約数和(自身を含む): 63528192

約数和(自身を除く): 42730932

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31511, 63022, 94533, 126044, 157555, 189066, 315110, 346621, 378132, 472665, 630220, 693242, 945330, 1039863, 1386484, 1733105, 1890660, 2079726, 3466210, 4159452, 5199315, 6932420, 10398630, 20797260]

約数ペア:

[(1, 20797260), (2, 10398630), (3, 6932420), (4, 5199315), (5, 4159452), (6, 3466210), (10, 2079726), (11, 1890660), (12, 1733105), (15, 1386484), (20, 1039863), (22, 945330), (30, 693242), (33, 630220), (44, 472665), (55, 378132), (60, 346621), (66, 315110), (110, 189066), (132, 157555), (165, 126044), (220, 94533), (330, 63022), (660, 31511)]