20128158

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10259}}^1$

素因数の和:10376

約数の個数: 24

約数和(自身を含む): 44015400

約数和(自身を除く): 23887242

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10259, 20518, 30777, 61554, 92331, 184662, 1118231, 2236462, 3354693, 6709386, 10064079, 20128158]

約数ペア:

[(1, 20128158), (2, 10064079), (3, 6709386), (6, 3354693), (9, 2236462), (18, 1118231), (109, 184662), (218, 92331), (327, 61554), (654, 30777), (981, 20518), (1962, 10259)]