20161708328

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81297211}}^1$

素因数の和:81297248

約数の個数: 16

約数和(自身を含む): 39022661760

約数和(自身を除く): 18860953432

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81297211, 162594422, 325188844, 650377688, 2520213541, 5040427082, 10080854164, 20161708328]

約数ペア:

[(1, 20161708328), (2, 10080854164), (4, 5040427082), (8, 2520213541), (31, 650377688), (62, 325188844), (124, 162594422), (248, 81297211)]