20890338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497389}}^1$

素因数の和:497401

約数の個数: 16

約数和(自身を含む): 47749440

約数和(自身を除く): 26859102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497389, 994778, 1492167, 2984334, 3481723, 6963446, 10445169, 20890338]

約数ペア:

[(1, 20890338), (2, 10445169), (3, 6963446), (6, 3481723), (7, 2984334), (14, 1492167), (21, 994778), (42, 497389)]