20929210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123113}}^1$

素因数の和:123137

約数の個数: 16

約数和(自身を含む): 39888936

約数和(自身を除く): 18959726

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123113, 246226, 615565, 1231130, 2092921, 4185842, 10464605, 20929210]

約数ペア:

[(1, 20929210), (2, 10464605), (5, 4185842), (10, 2092921), (17, 1231130), (34, 615565), (85, 246226), (170, 123113)]