20178559792

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{701}}^1\times {\mathrm{30493}}^1$

素因数の和:31261

約数の個数: 40

約数和(自身を含む): 39816625680

約数和(自身を除く): 19638065888

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 701, 944, 1402, 2804, 5608, 11216, 30493, 41359, 60986, 82718, 121972, 165436, 243944, 330872, 487888, 661744, 1799087, 3598174, 7196348, 14392696, 21375593, 28785392, 42751186, 85502372, 171004744, 342009488, 1261159987, 2522319974, 5044639948, 10089279896, 20178559792]

約数ペア:

[(1, 20178559792), (2, 10089279896), (4, 5044639948), (8, 2522319974), (16, 1261159987), (59, 342009488), (118, 171004744), (236, 85502372), (472, 42751186), (701, 28785392), (944, 21375593), (1402, 14392696), (2804, 7196348), (5608, 3598174), (11216, 1799087), (30493, 661744), (41359, 487888), (60986, 330872), (82718, 243944), (121972, 165436)]