2017801420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{418631}}^1$

素因数の和:418881

約数の個数: 24

約数和(自身を含む): 4254975648

約数和(自身を除く): 2237174228

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 418631, 837262, 1674524, 2093155, 4186310, 8372620, 100890071, 201780142, 403560284, 504450355, 1008900710, 2017801420]

約数ペア:

[(1, 2017801420), (2, 1008900710), (4, 504450355), (5, 403560284), (10, 201780142), (20, 100890071), (241, 8372620), (482, 4186310), (964, 2093155), (1205, 1674524), (2410, 837262), (4820, 418631)]