20352464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 22957264

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 197, 394, 587, 788, 1174, 1576, 2167, 2348, 3152, 4334, 4696, 6457, 8668, 9392, 12914, 17336, 25828, 34672, 51656, 103312, 115639, 231278, 462556, 925112, 1272029, 1850224, 2544058, 5088116, 10176232, 20352464]

約数ペア:

[(1, 20352464), (2, 10176232), (4, 5088116), (8, 2544058), (11, 1850224), (16, 1272029), (22, 925112), (44, 462556), (88, 231278), (176, 115639), (197, 103312), (394, 51656), (587, 34672), (788, 25828), (1174, 17336), (1576, 12914), (2167, 9392), (2348, 8668), (3152, 6457), (4334, 4696)]