20199451195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{138433}}^1$

素因数の和:138835

約数の個数: 32

約数和(自身を含む): 30300433920

約数和(自身を除く): 10100982725

約数列:

[1, 5, 7, 11, 35, 55, 77, 379, 385, 1895, 2653, 4169, 13265, 20845, 29183, 138433, 145915, 692165, 969031, 1522763, 4845155, 7613815, 10659341, 52466107, 53296705, 262330535, 367262749, 577127177, 1836313745, 2885635885, 4039890239, 20199451195]

約数ペア:

[(1, 20199451195), (5, 4039890239), (7, 2885635885), (11, 1836313745), (35, 577127177), (55, 367262749), (77, 262330535), (379, 53296705), (385, 52466107), (1895, 10659341), (2653, 7613815), (4169, 4845155), (13265, 1522763), (20845, 969031), (29183, 692165), (138433, 145915)]