20041065

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40487}}^1$

素因数の和:40509

約数の個数: 24

約数和(自身を含む): 37896768

約数和(自身を除く): 17855703

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40487, 121461, 202435, 364383, 445357, 607305, 1336071, 1821915, 2226785, 4008213, 6680355, 20041065]

約数ペア:

[(1, 20041065), (3, 6680355), (5, 4008213), (9, 2226785), (11, 1821915), (15, 1336071), (33, 607305), (45, 445357), (55, 364383), (99, 202435), (165, 121461), (495, 40487)]