20173968020

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{522371}}^1$

素因数の和:524311

約数の個数: 24

約数和(自身を含む): 42387353568

約数和(自身を除く): 22213385548

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 7724, 9655, 19310, 38620, 522371, 1044742, 2089484, 2611855, 5223710, 10447420, 1008698401, 2017396802, 4034793604, 5043492005, 10086984010, 20173968020]

約数ペア:

[(1, 20173968020), (2, 10086984010), (4, 5043492005), (5, 4034793604), (10, 2017396802), (20, 1008698401), (1931, 10447420), (3862, 5223710), (7724, 2611855), (9655, 2089484), (19310, 1044742), (38620, 522371)]