20674440865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{417961}}^1$

素因数の和:418740

約数の個数: 16

約数和(自身を含む): 26752911696

約数和(自身を除く): 6078470831

約数列:

[1, 5, 13, 65, 761, 3805, 9893, 49465, 417961, 2089805, 5433493, 27167465, 318068321, 1590341605, 4134888173, 20674440865]

約数ペア:

[(1, 20674440865), (5, 4134888173), (13, 1590341605), (65, 318068321), (761, 27167465), (3805, 5433493), (9893, 2089805), (49465, 417961)]