20834905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 31852800

約数和(自身を除く): 11017895

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1579, 1885, 2639, 7895, 11053, 13195, 20527, 45791, 55265, 102635, 143689, 228955, 320537, 595283, 718445, 1602685, 2976415, 4166981, 20834905]

約数ペア:

[(1, 20834905), (5, 4166981), (7, 2976415), (13, 1602685), (29, 718445), (35, 595283), (65, 320537), (91, 228955), (145, 143689), (203, 102635), (377, 55265), (455, 45791), (1015, 20527), (1579, 13195), (1885, 11053), (2639, 7895)]