20347391374

素因数分解:

$2^1\times {\mathrm{521}}^1\times {\mathrm{2003}}^1\times {\mathrm{9749}}^1$

素因数の和:12275

約数の個数: 16

約数和(自身を含む): 30598074000

約数和(自身を除く): 10250682626

約数列:

[1, 2, 521, 1042, 2003, 4006, 9749, 19498, 1043563, 2087126, 5079229, 10158458, 19527247, 39054494, 10173695687, 20347391374]

約数ペア:

[(1, 20347391374), (2, 10173695687), (521, 39054494), (1042, 19527247), (2003, 10158458), (4006, 5079229), (9749, 2087126), (19498, 1043563)]