20259868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{373}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 36610112

約数和(自身を除く): 16350244

約数列:

[1, 2, 4, 37, 74, 148, 367, 373, 734, 746, 1468, 1492, 13579, 13801, 27158, 27602, 54316, 55204, 136891, 273782, 547564, 5064967, 10129934, 20259868]

約数ペア:

[(1, 20259868), (2, 10129934), (4, 5064967), (37, 547564), (74, 273782), (148, 136891), (367, 55204), (373, 54316), (734, 27602), (746, 27158), (1468, 13801), (1492, 13579)]