20003340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 64802304

約数和(自身を除く): 44798964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 491, 582, 679, 970, 982, 1164, 1358, 1455, 1473, 1940, 1964, 2037, 2455, 2716, 2910, 2946, 3395, 3437, 4074, 4910, 5820, 5892, 6790, 6874, 7365, 8148, 9820, 10185, 10311, 13580, 13748, 14730, 17185, 20370, 20622, 29460, 34370, 40740, 41244, 47627, 51555, 68740, 95254, 103110, 142881, 190508, 206220, 238135, 285762, 333389, 476270, 571524, 666778, 714405, 952540, 1000167, 1333556, 1428810, 1666945, 2000334, 2857620, 3333890, 4000668, 5000835, 6667780, 10001670, 20003340]

約数ペア:

[(1, 20003340), (2, 10001670), (3, 6667780), (4, 5000835), (5, 4000668), (6, 3333890), (7, 2857620), (10, 2000334), (12, 1666945), (14, 1428810), (15, 1333556), (20, 1000167), (21, 952540), (28, 714405), (30, 666778), (35, 571524), (42, 476270), (60, 333389), (70, 285762), (84, 238135), (97, 206220), (105, 190508), (140, 142881), (194, 103110), (210, 95254), (291, 68740), (388, 51555), (420, 47627), (485, 41244), (491, 40740), (582, 34370), (679, 29460), (970, 20622), (982, 20370), (1164, 17185), (1358, 14730), (1455, 13748), (1473, 13580), (1940, 10311), (1964, 10185), (2037, 9820), (2455, 8148), (2716, 7365), (2910, 6874), (2946, 6790), (3395, 5892), (3437, 5820), (4074, 4910)]