20880147145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{65921}}^1$

素因数の和:66393

約数の個数: 32

約数和(自身を含む): 29503522944

約数和(自身を除く): 8623375799

約数列:

[1, 5, 11, 13, 55, 65, 143, 443, 715, 2215, 4873, 5759, 24365, 28795, 63349, 65921, 316745, 329605, 725131, 856973, 3625655, 4284865, 9426703, 29203003, 47133515, 146015015, 321233033, 379639039, 1606165165, 1898195195, 4176029429, 20880147145]

約数ペア:

[(1, 20880147145), (5, 4176029429), (11, 1898195195), (13, 1606165165), (55, 379639039), (65, 321233033), (143, 146015015), (443, 47133515), (715, 29203003), (2215, 9426703), (4873, 4284865), (5759, 3625655), (24365, 856973), (28795, 725131), (63349, 329605), (65921, 316745)]