20804616

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5897}}^1$

素因数の和:5923

約数の個数: 72

約数和(自身を含む): 65556270

約数和(自身を除く): 44751654

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5897, 11794, 17691, 23588, 35382, 41279, 47176, 53073, 70764, 82558, 106146, 123837, 141528, 165116, 212292, 247674, 288953, 330232, 371511, 424584, 495348, 577906, 743022, 866859, 990696, 1155812, 1486044, 1733718, 2311624, 2600577, 2972088, 3467436, 5201154, 6934872, 10402308, 20804616]

約数ペア:

[(1, 20804616), (2, 10402308), (3, 6934872), (4, 5201154), (6, 3467436), (7, 2972088), (8, 2600577), (9, 2311624), (12, 1733718), (14, 1486044), (18, 1155812), (21, 990696), (24, 866859), (28, 743022), (36, 577906), (42, 495348), (49, 424584), (56, 371511), (63, 330232), (72, 288953), (84, 247674), (98, 212292), (126, 165116), (147, 141528), (168, 123837), (196, 106146), (252, 82558), (294, 70764), (392, 53073), (441, 47176), (504, 41279), (588, 35382), (882, 23588), (1176, 17691), (1764, 11794), (3528, 5897)]