20913969

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{3001}}^1$

素因数の和:3128

約数の個数: 16

約数和(自身を含む): 29395584

約数和(自身を除く): 8481615

約数列:

[1, 3, 23, 69, 101, 303, 2323, 3001, 6969, 9003, 69023, 207069, 303101, 909303, 6971323, 20913969]

約数ペア:

[(1, 20913969), (3, 6971323), (23, 909303), (69, 303101), (101, 207069), (303, 69023), (2323, 9003), (3001, 6969)]