20909828849

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1131913}}^1$

素因数の和:1131969

約数の個数: 24

約数和(自身を含む): 27098021160

約数和(自身を除く): 6188192311

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1421, 2639, 18473, 1131913, 7923391, 14714869, 32825477, 55463737, 103004083, 229778339, 426731201, 721028581, 1608448373, 2987118407, 20909828849]

約数ペア:

[(1, 20909828849), (7, 2987118407), (13, 1608448373), (29, 721028581), (49, 426731201), (91, 229778339), (203, 103004083), (377, 55463737), (637, 32825477), (1421, 14714869), (2639, 7923391), (18473, 1131913)]