20392760

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8641}}^1$

素因数の和:8711

約数の個数: 32

約数和(自身を含む): 46666800

約数和(自身を除く): 26274040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8641, 17282, 34564, 43205, 69128, 86410, 172820, 345640, 509819, 1019638, 2039276, 2549095, 4078552, 5098190, 10196380, 20392760]

約数ペア:

[(1, 20392760), (2, 10196380), (4, 5098190), (5, 4078552), (8, 2549095), (10, 2039276), (20, 1019638), (40, 509819), (59, 345640), (118, 172820), (236, 86410), (295, 69128), (472, 43205), (590, 34564), (1180, 17282), (2360, 8641)]