20120668425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{625351}}^1$

素因数の和:625391

約数の個数: 72

約数和(自身を含む): 42338831808

約数和(自身を除く): 22218163383

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 2145, 2475, 2925, 3575, 6435, 10725, 32175, 625351, 1876053, 3126755, 5628159, 6878861, 8129563, 9380265, 15633775, 20636583, 24388689, 28140795, 34394305, 40647815, 46901325, 61909749, 73166067, 89425193, 103182915, 121943445, 140703975, 171971525, 203239075, 268275579, 309548745, 365830335, 447125965, 515914575, 609717225, 804826737, 1341377895, 1547743725, 1829151675, 2235629825, 4024133685, 6706889475, 20120668425]

約数ペア:

[(1, 20120668425), (3, 6706889475), (5, 4024133685), (9, 2235629825), (11, 1829151675), (13, 1547743725), (15, 1341377895), (25, 804826737), (33, 609717225), (39, 515914575), (45, 447125965), (55, 365830335), (65, 309548745), (75, 268275579), (99, 203239075), (117, 171971525), (143, 140703975), (165, 121943445), (195, 103182915), (225, 89425193), (275, 73166067), (325, 61909749), (429, 46901325), (495, 40647815), (585, 34394305), (715, 28140795), (825, 24388689), (975, 20636583), (1287, 15633775), (2145, 9380265), (2475, 8129563), (2925, 6878861), (3575, 5628159), (6435, 3126755), (10725, 1876053), (32175, 625351)]