20915298

素因数分解:

$2^1\times 3^2\times {\mathrm{199}}^1\times {\mathrm{5839}}^1$

素因数の和:6046

約数の個数: 24

約数和(自身を含む): 45552000

約数和(自身を除く): 24636702

約数列:

[1, 2, 3, 6, 9, 18, 199, 398, 597, 1194, 1791, 3582, 5839, 11678, 17517, 35034, 52551, 105102, 1161961, 2323922, 3485883, 6971766, 10457649, 20915298]

約数ペア:

[(1, 20915298), (2, 10457649), (3, 6971766), (6, 3485883), (9, 2323922), (18, 1161961), (199, 105102), (398, 52551), (597, 35034), (1194, 17517), (1791, 11678), (3582, 5839)]