20408454

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1747}}^1$

素因数の和:1825

約数の個数: 48

約数和(自身を含む): 49083840

約数和(自身を除く): 28675386

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 59, 66, 99, 118, 177, 198, 354, 531, 649, 1062, 1298, 1747, 1947, 3494, 3894, 5241, 5841, 10482, 11682, 15723, 19217, 31446, 38434, 57651, 103073, 115302, 172953, 206146, 309219, 345906, 618438, 927657, 1133803, 1855314, 2267606, 3401409, 6802818, 10204227, 20408454]

約数ペア:

[(1, 20408454), (2, 10204227), (3, 6802818), (6, 3401409), (9, 2267606), (11, 1855314), (18, 1133803), (22, 927657), (33, 618438), (59, 345906), (66, 309219), (99, 206146), (118, 172953), (177, 115302), (198, 103073), (354, 57651), (531, 38434), (649, 31446), (1062, 19217), (1298, 15723), (1747, 11682), (1947, 10482), (3494, 5841), (3894, 5241)]