20146465456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{940369}}^1$

素因数の和:940493

約数の個数: 40

約数和(自身を含む): 42444540320

約数和(自身を除く): 22298074864

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 10712, 21424, 940369, 1880738, 3761476, 7522952, 12224797, 15045904, 24449594, 48899188, 96858007, 97798376, 193716014, 195596752, 387432028, 774864056, 1259154091, 1549728112, 2518308182, 5036616364, 10073232728, 20146465456]

約数ペア:

[(1, 20146465456), (2, 10073232728), (4, 5036616364), (8, 2518308182), (13, 1549728112), (16, 1259154091), (26, 774864056), (52, 387432028), (103, 195596752), (104, 193716014), (206, 97798376), (208, 96858007), (412, 48899188), (824, 24449594), (1339, 15045904), (1648, 12224797), (2678, 7522952), (5356, 3761476), (10712, 1880738), (21424, 940369)]