20415494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17509}}^1$

素因数の和:17575

約数の個数: 16

約数和(自身を含む): 34039440

約数和(自身を除く): 13623946

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 17509, 35018, 192599, 385198, 927977, 1855954, 10207747, 20415494]

約数ペア:

[(1, 20415494), (2, 10207747), (11, 1855954), (22, 927977), (53, 385198), (106, 192599), (583, 35018), (1166, 17509)]