20570956

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2927}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 41319936

約数和(自身を除く): 20748980

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 2927, 3514, 5854, 7028, 11708, 20489, 40978, 81956, 734677, 1469354, 2938708, 5142739, 10285478, 20570956]

約数ペア:

[(1, 20570956), (2, 10285478), (4, 5142739), (7, 2938708), (14, 1469354), (28, 734677), (251, 81956), (502, 40978), (1004, 20489), (1757, 11708), (2927, 7028), (3514, 5854)]