20168876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 44142336

約数和(自身を除く): 23973460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 182, 268, 364, 469, 827, 871, 938, 1654, 1742, 1876, 3308, 3484, 5789, 6097, 10751, 11578, 12194, 21502, 23156, 24388, 43004, 55409, 75257, 110818, 150514, 221636, 301028, 387863, 720317, 775726, 1440634, 1551452, 2881268, 5042219, 10084438, 20168876]

約数ペア:

[(1, 20168876), (2, 10084438), (4, 5042219), (7, 2881268), (13, 1551452), (14, 1440634), (26, 775726), (28, 720317), (52, 387863), (67, 301028), (91, 221636), (134, 150514), (182, 110818), (268, 75257), (364, 55409), (469, 43004), (827, 24388), (871, 23156), (938, 21502), (1654, 12194), (1742, 11578), (1876, 10751), (3308, 6097), (3484, 5789)]