20890744

素因数分解:

$2^3\times 7^1\times {\mathrm{373049}}^1$

素因数の和:373062

約数の個数: 16

約数和(自身を含む): 44766000

約数和(自身を除く): 23875256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373049, 746098, 1492196, 2611343, 2984392, 5222686, 10445372, 20890744]

約数ペア:

[(1, 20890744), (2, 10445372), (4, 5222686), (7, 2984392), (8, 2611343), (14, 1492196), (28, 746098), (56, 373049)]