20076945420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6828893}}^1$

素因数の和:6828919

約数の個数: 72

約数和(自身を含む): 65393488944

約数和(自身を除く): 45316543524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6828893, 13657786, 20486679, 27315572, 34144465, 40973358, 47802251, 68288930, 81946716, 95604502, 102433395, 136577860, 143406753, 191209004, 204866790, 239011255, 286813506, 334615757, 409733580, 478022510, 573627012, 669231514, 717033765, 956045020, 1003847271, 1338463028, 1434067530, 1673078785, 2007694542, 2868135060, 3346157570, 4015389084, 5019236355, 6692315140, 10038472710, 20076945420]

約数ペア:

[(1, 20076945420), (2, 10038472710), (3, 6692315140), (4, 5019236355), (5, 4015389084), (6, 3346157570), (7, 2868135060), (10, 2007694542), (12, 1673078785), (14, 1434067530), (15, 1338463028), (20, 1003847271), (21, 956045020), (28, 717033765), (30, 669231514), (35, 573627012), (42, 478022510), (49, 409733580), (60, 334615757), (70, 286813506), (84, 239011255), (98, 204866790), (105, 191209004), (140, 143406753), (147, 136577860), (196, 102433395), (210, 95604502), (245, 81946716), (294, 68288930), (420, 47802251), (490, 40973358), (588, 34144465), (735, 27315572), (980, 20486679), (1470, 13657786), (2940, 6828893)]