20351506

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18401}}^1$

素因数の和:18489

約数の個数: 16

約数和(自身を含む): 35331840

約数和(自身を除く): 14980334

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18401, 36802, 128807, 257614, 1453679, 2907358, 10175753, 20351506]

約数ペア:

[(1, 20351506), (2, 10175753), (7, 2907358), (14, 1453679), (79, 257614), (158, 128807), (553, 36802), (1106, 18401)]