20842308

素因数分解:

$2^2\times 3^2\times {\mathrm{503}}^1\times {\mathrm{1151}}^1$

素因数の和:1664

約数の個数: 36

約数和(自身を含む): 52835328

約数和(自身を除く): 31993020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 503, 1006, 1151, 1509, 2012, 2302, 3018, 3453, 4527, 4604, 6036, 6906, 9054, 10359, 13812, 18108, 20718, 41436, 578953, 1157906, 1736859, 2315812, 3473718, 5210577, 6947436, 10421154, 20842308]

約数ペア:

[(1, 20842308), (2, 10421154), (3, 6947436), (4, 5210577), (6, 3473718), (9, 2315812), (12, 1736859), (18, 1157906), (36, 578953), (503, 41436), (1006, 20718), (1151, 18108), (1509, 13812), (2012, 10359), (2302, 9054), (3018, 6906), (3453, 6036), (4527, 4604)]