20793590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26321}}^1$

素因数の和:26407

約数の個数: 16

約数和(自身を含む): 37903680

約数和(自身を除く): 17110090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 26321, 52642, 131605, 263210, 2079359, 4158718, 10396795, 20793590]

約数ペア:

[(1, 20793590), (2, 10396795), (5, 4158718), (10, 2079359), (79, 263210), (158, 131605), (395, 52642), (790, 26321)]