20888970009

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{293}}^1\times {\mathrm{17359}}^1$

素因数の和:17729

約数の個数: 24

約数和(自身を含む): 28724411520

約数和(自身を除く): 7835441511

約数列:

[1, 3, 37, 111, 293, 879, 1369, 4107, 10841, 17359, 32523, 52077, 401117, 642283, 1203351, 1926849, 5086187, 15258561, 23764471, 71293413, 188188919, 564566757, 6962990003, 20888970009]

約数ペア:

[(1, 20888970009), (3, 6962990003), (37, 564566757), (111, 188188919), (293, 71293413), (879, 23764471), (1369, 15258561), (4107, 5086187), (10841, 1926849), (17359, 1203351), (32523, 642283), (52077, 401117)]