20656338

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21121}}^1$

素因数の和:21289

約数の個数: 16

約数和(自身を含む): 41568096

約数和(自身を除く): 20911758

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21121, 42242, 63363, 126726, 3442723, 6885446, 10328169, 20656338]

約数ペア:

[(1, 20656338), (2, 10328169), (3, 6885446), (6, 3442723), (163, 126726), (326, 63363), (489, 42242), (978, 21121)]