20922937

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{911}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 25477632

約数和(自身を除く): 4554695

約数列:

[1, 7, 17, 119, 193, 911, 1351, 3281, 6377, 15487, 22967, 108409, 175823, 1230761, 2988991, 20922937]

約数ペア:

[(1, 20922937), (7, 2988991), (17, 1230761), (119, 175823), (193, 108409), (911, 22967), (1351, 15487), (3281, 6377)]