20702187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2647}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 33047040

約数和(自身を除く): 12344853

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 2647, 7821, 7941, 23823, 29117, 87351, 209113, 262053, 627339, 1882017, 2300243, 6900729, 20702187]

約数ペア:

[(1, 20702187), (3, 6900729), (9, 2300243), (11, 1882017), (33, 627339), (79, 262053), (99, 209113), (237, 87351), (711, 29117), (869, 23823), (2607, 7941), (2647, 7821)]