20380147228

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{527819}}^1$

素因数の和:528034

約数の個数: 36

約数和(自身を含む): 41698835640

約数和(自身を除く): 21318688412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 788, 1379, 2758, 5516, 9653, 19306, 38612, 527819, 1055638, 2111276, 3694733, 7389466, 14778932, 25863131, 51726262, 103452524, 103980343, 207960686, 415921372, 727862401, 1455724802, 2911449604, 5095036807, 10190073614, 20380147228]

約数ペア:

[(1, 20380147228), (2, 10190073614), (4, 5095036807), (7, 2911449604), (14, 1455724802), (28, 727862401), (49, 415921372), (98, 207960686), (196, 103980343), (197, 103452524), (394, 51726262), (788, 25863131), (1379, 14778932), (2758, 7389466), (5516, 3694733), (9653, 2111276), (19306, 1055638), (38612, 527819)]