20502808

素因数分解:

$2^3\times {\mathrm{659}}^1\times {\mathrm{3889}}^1$

素因数の和:4554

約数の個数: 16

約数和(自身を含む): 38511000

約数和(自身を除く): 18008192

約数列:

[1, 2, 4, 8, 659, 1318, 2636, 3889, 5272, 7778, 15556, 31112, 2562851, 5125702, 10251404, 20502808]

約数ペア:

[(1, 20502808), (2, 10251404), (4, 5125702), (8, 2562851), (659, 31112), (1318, 15556), (2636, 7778), (3889, 5272)]