20512254357

素因数分解:

$3^2\times 7^1\times {\mathrm{2273}}^1\times {\mathrm{143243}}^1$

素因数の和:145529

約数の個数: 24

約数和(自身を含む): 33876633024

約数和(自身を除く): 13364378667

約数列:

[1, 3, 7, 9, 21, 63, 2273, 6819, 15911, 20457, 47733, 143199, 143243, 429729, 1002701, 1289187, 3008103, 9024309, 325591339, 976774017, 2279139373, 2930322051, 6837418119, 20512254357]

約数ペア:

[(1, 20512254357), (3, 6837418119), (7, 2930322051), (9, 2279139373), (21, 976774017), (63, 325591339), (2273, 9024309), (6819, 3008103), (15911, 1289187), (20457, 1002701), (47733, 429729), (143199, 143243)]