20512761993

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{74413}}^1$

素因数の和:74809

約数の個数: 24

約数和(自身を含む): 30008189640

約数和(自身を除く): 9495427647

約数列:

[1, 3, 9, 109, 281, 327, 843, 981, 2529, 30629, 74413, 91887, 223239, 275661, 669717, 8111017, 20910053, 24333051, 62730159, 72999153, 188190477, 2279195777, 6837587331, 20512761993]

約数ペア:

[(1, 20512761993), (3, 6837587331), (9, 2279195777), (109, 188190477), (281, 72999153), (327, 62730159), (843, 24333051), (981, 20910053), (2529, 8111017), (30629, 669717), (74413, 275661), (91887, 223239)]