20786467

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 23355360

約数和(自身を除く): 2568893

約数列:

[1, 13, 41, 59, 533, 661, 767, 2419, 8593, 27101, 31447, 38999, 352313, 506987, 1598959, 20786467]

約数ペア:

[(1, 20786467), (13, 1598959), (41, 506987), (59, 352313), (533, 38999), (661, 31447), (767, 27101), (2419, 8593)]