20491494

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2543}}^1$

素因数の和:2644

約数の個数: 32

約数和(自身を含む): 43960320

約数和(自身を除く): 23468826

約数列:

[1, 2, 3, 6, 17, 34, 51, 79, 102, 158, 237, 474, 1343, 2543, 2686, 4029, 5086, 7629, 8058, 15258, 43231, 86462, 129693, 200897, 259386, 401794, 602691, 1205382, 3415249, 6830498, 10245747, 20491494]

約数ペア:

[(1, 20491494), (2, 10245747), (3, 6830498), (6, 3415249), (17, 1205382), (34, 602691), (51, 401794), (79, 259386), (102, 200897), (158, 129693), (237, 86462), (474, 43231), (1343, 15258), (2543, 8058), (2686, 7629), (4029, 5086)]