20492712008

素因数分解:

$2^3\times {\mathrm{3571}}^1\times {\mathrm{717331}}^1$

素因数の和:720908

約数の個数: 16

約数和(自身を含む): 38434648560

約数和(自身を除く): 17941936552

約数列:

[1, 2, 4, 8, 3571, 7142, 14284, 28568, 717331, 1434662, 2869324, 5738648, 2561589001, 5123178002, 10246356004, 20492712008]

約数ペア:

[(1, 20492712008), (2, 10246356004), (4, 5123178002), (8, 2561589001), (3571, 5738648), (7142, 2869324), (14284, 1434662), (28568, 717331)]