20162640981

素因数分解:

$3^1\times 7^2\times {\mathrm{3583}}^1\times {\mathrm{38281}}^1$

素因数の和:41881

約数の個数: 24

約数和(自身を含む): 31282212864

約数和(自身を除く): 11119571883

約数列:

[1, 3, 7, 21, 49, 147, 3583, 10749, 25081, 38281, 75243, 114843, 175567, 267967, 526701, 803901, 1875769, 5627307, 137160823, 411482469, 960125761, 2880377283, 6720880327, 20162640981]

約数ペア:

[(1, 20162640981), (3, 6720880327), (7, 2880377283), (21, 960125761), (49, 411482469), (147, 137160823), (3583, 5627307), (10749, 1875769), (25081, 803901), (38281, 526701), (75243, 267967), (114843, 175567)]