20009684

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 35814240

約数和(自身を除く): 15804556

約数列:

[1, 2, 4, 67, 134, 197, 268, 379, 394, 758, 788, 1516, 13199, 25393, 26398, 50786, 52796, 74663, 101572, 149326, 298652, 5002421, 10004842, 20009684]

約数ペア:

[(1, 20009684), (2, 10004842), (4, 5002421), (67, 298652), (134, 149326), (197, 101572), (268, 74663), (379, 52796), (394, 50786), (758, 26398), (788, 25393), (1516, 13199)]