20518492

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 36540000

約数和(自身を除く): 16021508

約数列:

[1, 2, 4, 149, 173, 199, 298, 346, 398, 596, 692, 796, 25777, 29651, 34427, 51554, 59302, 68854, 103108, 118604, 137708, 5129623, 10259246, 20518492]

約数ペア:

[(1, 20518492), (2, 10259246), (4, 5129623), (149, 137708), (173, 118604), (199, 103108), (298, 68854), (346, 59302), (398, 51554), (596, 34427), (692, 29651), (796, 25777)]