20329260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 96

約数和(自身を含む): 65856000

約数和(自身を除く): 45526740

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, 499, 582, 679, 970, 998, 1164, 1358, 1455, 1497, 1940, 1996, 2037, 2495, 2716, 2910, 2994, 3395, 3493, 4074, 4990, 5820, 5988, 6790, 6986, 7485, 8148, 9980, 10185, 10479, 13580, 13972, 14970, 17465, 20370, 20958, 29940, 34930, 40740, 41916, 48403, 52395, 69860, 96806, 104790, 145209, 193612, 209580, 242015, 290418, 338821, 484030, 580836, 677642, 726045, 968060, 1016463, 1355284, 1452090, 1694105, 2032926, 2904180, 3388210, 4065852, 5082315, 6776420, 10164630, 20329260]

約数ペア:

[(1, 20329260), (2, 10164630), (3, 6776420), (4, 5082315), (5, 4065852), (6, 3388210), (7, 2904180), (10, 2032926), (12, 1694105), (14, 1452090), (15, 1355284), (20, 1016463), (21, 968060), (28, 726045), (30, 677642), (35, 580836), (42, 484030), (60, 338821), (70, 290418), (84, 242015), (97, 209580), (105, 193612), (140, 145209), (194, 104790), (210, 96806), (291, 69860), (388, 52395), (420, 48403), (485, 41916), (499, 40740), (582, 34930), (679, 29940), (970, 20958), (998, 20370), (1164, 17465), (1358, 14970), (1455, 13972), (1497, 13580), (1940, 10479), (1996, 10185), (2037, 9980), (2495, 8148), (2716, 7485), (2910, 6986), (2994, 6790), (3395, 5988), (3493, 5820), (4074, 4990)]