20898173686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{402089}}^1$

素因数の和:404103

約数の個数: 16

約数和(自身を含む): 33775560000

約数和(自身を除く): 12877386314

約数列:

[1, 2, 13, 26, 1999, 3998, 25987, 51974, 402089, 804178, 5227157, 10454314, 803775911, 1607551822, 10449086843, 20898173686]

約数ペア:

[(1, 20898173686), (2, 10449086843), (13, 1607551822), (26, 803775911), (1999, 10454314), (3998, 5227157), (25987, 804178), (51974, 402089)]