20394376

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 40147200

約数和(自身を除く): 19752824

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 271, 409, 542, 818, 1084, 1636, 2168, 3272, 6233, 9407, 12466, 18814, 24932, 37628, 49864, 75256, 110839, 221678, 443356, 886712, 2549297, 5098594, 10197188, 20394376]

約数ペア:

[(1, 20394376), (2, 10197188), (4, 5098594), (8, 2549297), (23, 886712), (46, 443356), (92, 221678), (184, 110839), (271, 75256), (409, 49864), (542, 37628), (818, 24932), (1084, 18814), (1636, 12466), (2168, 9407), (3272, 6233)]