20651837427

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{21269}}^1$

素因数の和:21524

約数の個数: 48

約数和(自身を含む): 33044051040

約数和(自身を除く): 12392213613

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 193, 387, 559, 579, 1677, 1737, 2509, 5031, 7527, 8299, 21269, 22581, 24897, 63807, 74691, 107887, 191421, 276497, 323661, 829491, 914567, 970983, 2488473, 2743701, 4104917, 8231103, 11889371, 12314751, 35668113, 36944253, 53363921, 107004339, 160091763, 176511431, 480275289, 529534293, 1588602879, 2294648603, 6883945809, 20651837427]

約数ペア:

[(1, 20651837427), (3, 6883945809), (9, 2294648603), (13, 1588602879), (39, 529534293), (43, 480275289), (117, 176511431), (129, 160091763), (193, 107004339), (387, 53363921), (559, 36944253), (579, 35668113), (1677, 12314751), (1737, 11889371), (2509, 8231103), (5031, 4104917), (7527, 2743701), (8299, 2488473), (21269, 970983), (22581, 914567), (24897, 829491), (63807, 323661), (74691, 276497), (107887, 191421)]