20198488541

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1193}}^1\times {\mathrm{219881}}^1$

素因数の和:221092

約数の個数: 16

約数和(自身を含む): 25203754368

約数和(自身を除く): 5005265827

約数列:

[1, 7, 11, 77, 1193, 8351, 13123, 91861, 219881, 1539167, 2418691, 16930837, 262318033, 1836226231, 2885498363, 20198488541]

約数ペア:

[(1, 20198488541), (7, 2885498363), (11, 1836226231), (77, 262318033), (1193, 16930837), (8351, 2418691), (13123, 1539167), (91861, 219881)]