20671734

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4217}}^1$

素因数の和:4284

約数の個数: 32

約数和(自身を含む): 44542080

約数和(自身を除く): 23870346

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4217, 4902, 8434, 12651, 25302, 80123, 160246, 181331, 240369, 362662, 480738, 543993, 1087986, 3445289, 6890578, 10335867, 20671734]

約数ペア:

[(1, 20671734), (2, 10335867), (3, 6890578), (6, 3445289), (19, 1087986), (38, 543993), (43, 480738), (57, 362662), (86, 240369), (114, 181331), (129, 160246), (258, 80123), (817, 25302), (1634, 12651), (2451, 8434), (4217, 4902)]