20237323905

素因数分解:

$3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{251099}}^1$

素因数の和:251315

約数の個数: 40

約数和(自身を含む): 36459720000

約数和(自身を除く): 16222396095

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 405, 597, 995, 1791, 2985, 5373, 8955, 16119, 26865, 80595, 251099, 753297, 1255495, 2259891, 3766485, 6779673, 11299455, 20339019, 33898365, 49968701, 101695095, 149906103, 249843505, 449718309, 749530515, 1349154927, 2248591545, 4047464781, 6745774635, 20237323905]

約数ペア:

[(1, 20237323905), (3, 6745774635), (5, 4047464781), (9, 2248591545), (15, 1349154927), (27, 749530515), (45, 449718309), (81, 249843505), (135, 149906103), (199, 101695095), (405, 49968701), (597, 33898365), (995, 20339019), (1791, 11299455), (2985, 6779673), (5373, 3766485), (8955, 2259891), (16119, 1255495), (26865, 753297), (80595, 251099)]