20138041810

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{77249}}^1$

素因数の和:77586

約数の個数: 32

約数和(自身を含む): 36709200000

約数和(自身を除く): 16571158190

約数列:

[1, 2, 5, 10, 131, 199, 262, 398, 655, 995, 1310, 1990, 26069, 52138, 77249, 130345, 154498, 260690, 386245, 772490, 10119619, 15372551, 20239238, 30745102, 50598095, 76862755, 101196190, 153725510, 2013804181, 4027608362, 10069020905, 20138041810]

約数ペア:

[(1, 20138041810), (2, 10069020905), (5, 4027608362), (10, 2013804181), (131, 153725510), (199, 101196190), (262, 76862755), (398, 50598095), (655, 30745102), (995, 20239238), (1310, 15372551), (1990, 10119619), (26069, 772490), (52138, 386245), (77249, 260690), (130345, 154498)]