20403291272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{966431}}^1$

素因数の和:966486

約数の個数: 64

約数和(自身を含む): 48708172800

約数和(自身を除く): 28304881528

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1508, 1624, 2639, 3016, 5278, 10556, 21112, 966431, 1932862, 3865724, 6765017, 7731448, 12563603, 13530034, 25127206, 27060068, 28026499, 50254412, 54120136, 56052998, 87945221, 100508824, 112105996, 175890442, 196185493, 224211992, 351780884, 364344487, 392370986, 703561768, 728688974, 784741972, 1457377948, 1569483944, 2550411409, 2914755896, 5100822818, 10201645636, 20403291272]

約数ペア:

[(1, 20403291272), (2, 10201645636), (4, 5100822818), (7, 2914755896), (8, 2550411409), (13, 1569483944), (14, 1457377948), (26, 784741972), (28, 728688974), (29, 703561768), (52, 392370986), (56, 364344487), (58, 351780884), (91, 224211992), (104, 196185493), (116, 175890442), (182, 112105996), (203, 100508824), (232, 87945221), (364, 56052998), (377, 54120136), (406, 50254412), (728, 28026499), (754, 27060068), (812, 25127206), (1508, 13530034), (1624, 12563603), (2639, 7731448), (3016, 6765017), (5278, 3865724), (10556, 1932862), (21112, 966431)]