20776314

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 48109824

約数和(自身を除く): 27333510

約数列:

[1, 2, 3, 6, 13, 23, 26, 37, 39, 46, 69, 74, 78, 111, 138, 222, 299, 313, 481, 598, 626, 851, 897, 939, 962, 1443, 1702, 1794, 1878, 2553, 2886, 4069, 5106, 7199, 8138, 11063, 11581, 12207, 14398, 21597, 22126, 23162, 24414, 33189, 34743, 43194, 66378, 69486, 93587, 150553, 187174, 266363, 280761, 301106, 451659, 532726, 561522, 799089, 903318, 1598178, 3462719, 6925438, 10388157, 20776314]

約数ペア:

[(1, 20776314), (2, 10388157), (3, 6925438), (6, 3462719), (13, 1598178), (23, 903318), (26, 799089), (37, 561522), (39, 532726), (46, 451659), (69, 301106), (74, 280761), (78, 266363), (111, 187174), (138, 150553), (222, 93587), (299, 69486), (313, 66378), (481, 43194), (598, 34743), (626, 33189), (851, 24414), (897, 23162), (939, 22126), (962, 21597), (1443, 14398), (1702, 12207), (1794, 11581), (1878, 11063), (2553, 8138), (2886, 7199), (4069, 5106)]