20163916108

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{977}}^1\times {\mathrm{3631}}^1$

素因数の和:4655

約数の個数: 72

約数和(自身を含む): 42518589120

約数和(自身を除く): 22354673012

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 977, 1421, 1954, 2842, 3631, 3908, 5684, 6839, 7262, 13678, 14524, 25417, 27356, 28333, 47873, 50834, 56666, 95746, 101668, 105299, 113332, 177919, 191492, 198331, 210598, 355838, 396662, 421196, 711676, 737093, 793324, 1388317, 1474186, 2776634, 2948372, 3547487, 5159651, 5553268, 7094974, 10319302, 14189948, 20638604, 24832409, 49664818, 99329636, 102877123, 173826863, 205754246, 347653726, 411508492, 695307452, 720139861, 1440279722, 2880559444, 5040979027, 10081958054, 20163916108]

約数ペア:

[(1, 20163916108), (2, 10081958054), (4, 5040979027), (7, 2880559444), (14, 1440279722), (28, 720139861), (29, 695307452), (49, 411508492), (58, 347653726), (98, 205754246), (116, 173826863), (196, 102877123), (203, 99329636), (406, 49664818), (812, 24832409), (977, 20638604), (1421, 14189948), (1954, 10319302), (2842, 7094974), (3631, 5553268), (3908, 5159651), (5684, 3547487), (6839, 2948372), (7262, 2776634), (13678, 1474186), (14524, 1388317), (25417, 793324), (27356, 737093), (28333, 711676), (47873, 421196), (50834, 396662), (56666, 355838), (95746, 210598), (101668, 198331), (105299, 191492), (113332, 177919)]