20862863

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1283}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 25145856

約数和(自身を除く): 4282993

約数列:

[1, 7, 23, 101, 161, 707, 1283, 2323, 8981, 16261, 29509, 129583, 206563, 907081, 2980409, 20862863]

約数ペア:

[(1, 20862863), (7, 2980409), (23, 907081), (101, 206563), (161, 129583), (707, 29509), (1283, 16261), (2323, 8981)]