20682728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2423}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 42759360

約数和(自身を除く): 22076632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2423, 4268, 4846, 8536, 9692, 19384, 26653, 53306, 106612, 213224, 235031, 470062, 940124, 1880248, 2585341, 5170682, 10341364, 20682728]

約数ペア:

[(1, 20682728), (2, 10341364), (4, 5170682), (8, 2585341), (11, 1880248), (22, 940124), (44, 470062), (88, 235031), (97, 213224), (194, 106612), (388, 53306), (776, 26653), (1067, 19384), (2134, 9692), (2423, 8536), (4268, 4846)]