20940311

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1181}}^1$

素因数の和:1354

約数の個数: 16

約数和(自身を含む): 25531200

約数和(自身を除く): 4590889

約数列:

[1, 7, 17, 119, 149, 1043, 1181, 2533, 8267, 17731, 20077, 140539, 175969, 1231783, 2991473, 20940311]

約数ペア:

[(1, 20940311), (7, 2991473), (17, 1231783), (119, 175969), (149, 140539), (1043, 20077), (1181, 17731), (2533, 8267)]