20478922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 13228598

約数列:

[1, 2, 19, 38, 43, 83, 86, 151, 166, 302, 817, 1577, 1634, 2869, 3154, 3569, 5738, 6493, 7138, 12533, 12986, 25066, 67811, 123367, 135622, 238127, 246734, 476254, 538919, 1077838, 10239461, 20478922]

約数ペア:

[(1, 20478922), (2, 10239461), (19, 1077838), (38, 538919), (43, 476254), (83, 246734), (86, 238127), (151, 135622), (166, 123367), (302, 67811), (817, 25066), (1577, 12986), (1634, 12533), (2869, 7138), (3154, 6493), (3569, 5738)]