20202320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13291}}^1$

素因数の和:13323

約数の個数: 40

約数和(自身を含む): 49446240

約数和(自身を除く): 29243920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13291, 26582, 53164, 66455, 106328, 132910, 212656, 252529, 265820, 505058, 531640, 1010116, 1063280, 1262645, 2020232, 2525290, 4040464, 5050580, 10101160, 20202320]

約数ペア:

[(1, 20202320), (2, 10101160), (4, 5050580), (5, 4040464), (8, 2525290), (10, 2020232), (16, 1262645), (19, 1063280), (20, 1010116), (38, 531640), (40, 505058), (76, 265820), (80, 252529), (95, 212656), (152, 132910), (190, 106328), (304, 66455), (380, 53164), (760, 26582), (1520, 13291)]