20136520

素因数分解:

$2^3\times 5^1\times {\mathrm{503413}}^1$

素因数の和:503424

約数の個数: 16

約数和(自身を含む): 45307260

約数和(自身を除く): 25170740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503413, 1006826, 2013652, 2517065, 4027304, 5034130, 10068260, 20136520]

約数ペア:

[(1, 20136520), (2, 10068260), (4, 5034130), (5, 4027304), (8, 2517065), (10, 2013652), (20, 1006826), (40, 503413)]