2017677808

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1248563}}^1$

素因数の和:1248672

約数の個数: 20

約数和(自身を含む): 3947959368

約数和(自身を除く): 1930281560

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1248563, 2497126, 4994252, 9988504, 19977008, 126104863, 252209726, 504419452, 1008838904, 2017677808]

約数ペア:

[(1, 2017677808), (2, 1008838904), (4, 504419452), (8, 252209726), (16, 126104863), (101, 19977008), (202, 9988504), (404, 4994252), (808, 2497126), (1616, 1248563)]