20867290

素因数分解:

$2^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1481}}^1$

素因数の和:2897

約数の個数: 16

約数和(自身を含む): 37613160

約数和(自身を除く): 16745870

約数列:

[1, 2, 5, 10, 1409, 1481, 2818, 2962, 7045, 7405, 14090, 14810, 2086729, 4173458, 10433645, 20867290]

約数ペア:

[(1, 20867290), (2, 10433645), (5, 4173458), (10, 2086729), (1409, 14810), (1481, 14090), (2818, 7405), (2962, 7045)]