20021656

素因数分解:

$2^3\times {\mathrm{1103}}^1\times {\mathrm{2269}}^1$

素因数の和:3378

約数の個数: 16

約数和(自身を含む): 37591200

約数和(自身を除く): 17569544

約数列:

[1, 2, 4, 8, 1103, 2206, 2269, 4412, 4538, 8824, 9076, 18152, 2502707, 5005414, 10010828, 20021656]

約数ペア:

[(1, 20021656), (2, 10010828), (4, 5005414), (8, 2502707), (1103, 18152), (2206, 9076), (2269, 8824), (4412, 4538)]