20100398968

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{82139}}^1$

素因数の和:82352

約数の個数: 48

約数和(自身を含む): 41036322600

約数和(自身を除く): 20935923632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 181, 338, 362, 676, 724, 1352, 1448, 2353, 4706, 9412, 18824, 30589, 61178, 82139, 122356, 164278, 244712, 328556, 657112, 1067807, 2135614, 4271228, 8542456, 13881491, 14867159, 27762982, 29734318, 55525964, 59468636, 111051928, 118937272, 193273067, 386546134, 773092268, 1546184536, 2512549871, 5025099742, 10050199484, 20100398968]

約数ペア:

[(1, 20100398968), (2, 10050199484), (4, 5025099742), (8, 2512549871), (13, 1546184536), (26, 773092268), (52, 386546134), (104, 193273067), (169, 118937272), (181, 111051928), (338, 59468636), (362, 55525964), (676, 29734318), (724, 27762982), (1352, 14867159), (1448, 13881491), (2353, 8542456), (4706, 4271228), (9412, 2135614), (18824, 1067807), (30589, 657112), (61178, 328556), (82139, 244712), (122356, 164278)]