20948930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123229}}^1$

素因数の和:123253

約数の個数: 16

約数和(自身を含む): 39926520

約数和(自身を除く): 18977590

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123229, 246458, 616145, 1232290, 2094893, 4189786, 10474465, 20948930]

約数ペア:

[(1, 20948930), (2, 10474465), (5, 4189786), (10, 2094893), (17, 1232290), (34, 616145), (85, 246458), (170, 123229)]