20485795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2153}}^1$

素因数の和:2342

約数の個数: 16

約数和(自身を含む): 26985312

約数和(自身を除く): 6499517

約数列:

[1, 5, 11, 55, 173, 865, 1903, 2153, 9515, 10765, 23683, 118415, 372469, 1862345, 4097159, 20485795]

約数ペア:

[(1, 20485795), (5, 4097159), (11, 1862345), (55, 372469), (173, 118415), (865, 23683), (1903, 10765), (2153, 9515)]