20432840830

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7769141}}^1$

素因数の和:7769411

約数の個数: 16

約数和(自身を含む): 36918962784

約数和(自身を除く): 16486121954

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 7769141, 15538282, 38845705, 77691410, 2043284083, 4086568166, 10216420415, 20432840830]

約数ペア:

[(1, 20432840830), (2, 10216420415), (5, 4086568166), (10, 2043284083), (263, 77691410), (526, 38845705), (1315, 15538282), (2630, 7769141)]