20195849877

素因数分解:

$3^1\times 7^1\times {\mathrm{18913}}^1\times {\mathrm{50849}}^1$

素因数の和:69772

約数の個数: 16

約数和(自身を含む): 30776860800

約数和(自身を除く): 10581010923

約数列:

[1, 3, 7, 21, 18913, 50849, 56739, 132391, 152547, 355943, 397173, 1067829, 961707137, 2885121411, 6731949959, 20195849877]

約数ペア:

[(1, 20195849877), (3, 6731949959), (7, 2885121411), (21, 961707137), (18913, 1067829), (50849, 397173), (56739, 355943), (132391, 152547)]