20780852406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{39827}}^1$

素因数の和:40073

約数の個数: 64

約数和(自身を含む): 45881856000

約数和(自身を除く): 25101003594

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 199, 398, 437, 597, 874, 1194, 1311, 2622, 3781, 4577, 7562, 9154, 11343, 13731, 22686, 27462, 39827, 79654, 86963, 119481, 173926, 238962, 260889, 521778, 756713, 916021, 1513426, 1832042, 2270139, 2748063, 4540278, 5496126, 7925573, 15851146, 17404399, 23776719, 34808798, 47553438, 52213197, 104426394, 150585887, 182288179, 301171774, 364576358, 451757661, 546864537, 903515322, 1093729074, 3463475401, 6926950802, 10390426203, 20780852406]

約数ペア:

[(1, 20780852406), (2, 10390426203), (3, 6926950802), (6, 3463475401), (19, 1093729074), (23, 903515322), (38, 546864537), (46, 451757661), (57, 364576358), (69, 301171774), (114, 182288179), (138, 150585887), (199, 104426394), (398, 52213197), (437, 47553438), (597, 34808798), (874, 23776719), (1194, 17404399), (1311, 15851146), (2622, 7925573), (3781, 5496126), (4577, 4540278), (7562, 2748063), (9154, 2270139), (11343, 1832042), (13731, 1513426), (22686, 916021), (27462, 756713), (39827, 521778), (79654, 260889), (86963, 238962), (119481, 173926)]