20481734

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5923}}^1$

素因数の和:5964

約数の個数: 32

約数和(自身を含む): 39809280

約数和(自身を除く): 19327546

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5923, 11846, 41461, 76999, 82922, 112537, 153998, 225074, 538993, 787759, 1077986, 1462981, 1575518, 2925962, 10240867, 20481734]

約数ペア:

[(1, 20481734), (2, 10240867), (7, 2925962), (13, 1575518), (14, 1462981), (19, 1077986), (26, 787759), (38, 538993), (91, 225074), (133, 153998), (182, 112537), (247, 82922), (266, 76999), (494, 41461), (1729, 11846), (3458, 5923)]