20159646950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{80687}}^1$

素因数の和:80981

約数の個数: 48

約数和(自身を含む): 39621035520

約数和(自身を除く): 19461388570

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 263, 475, 526, 950, 1315, 2630, 4997, 6575, 9994, 13150, 24985, 49970, 80687, 124925, 161374, 249850, 403435, 806870, 1533053, 2017175, 3066106, 4034350, 7665265, 15330530, 21220681, 38326325, 42441362, 76652650, 106103405, 212206810, 403192939, 530517025, 806385878, 1061034050, 2015964695, 4031929390, 10079823475, 20159646950]

約数ペア:

[(1, 20159646950), (2, 10079823475), (5, 4031929390), (10, 2015964695), (19, 1061034050), (25, 806385878), (38, 530517025), (50, 403192939), (95, 212206810), (190, 106103405), (263, 76652650), (475, 42441362), (526, 38326325), (950, 21220681), (1315, 15330530), (2630, 7665265), (4997, 4034350), (6575, 3066106), (9994, 2017175), (13150, 1533053), (24985, 806870), (49970, 403435), (80687, 249850), (124925, 161374)]