20717962

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1133

約数の個数: 16

約数和(自身を含む): 31715712

約数和(自身を除く): 10997750

約数列:

[1, 2, 83, 137, 166, 274, 911, 1822, 11371, 22742, 75613, 124807, 151226, 249614, 10358981, 20717962]

約数ペア:

[(1, 20717962), (2, 10358981), (83, 249614), (137, 151226), (166, 124807), (274, 75613), (911, 22742), (1822, 11371)]