20681799248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1\times {\mathrm{2203}}^1$

素因数の和:3564

約数の個数: 80

約数和(自身を含む): 44834755392

約数和(自身を除く): 24152956144

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1301, 1804, 2203, 2602, 3608, 4406, 5204, 7216, 8812, 10408, 14311, 17624, 20816, 24233, 28622, 35248, 48466, 53341, 57244, 90323, 96932, 106682, 114488, 180646, 193864, 213364, 228976, 361292, 387728, 426728, 586751, 722584, 853456, 993553, 1173502, 1445168, 1987106, 2347004, 2866103, 3974212, 4694008, 5732206, 7948424, 9388016, 11464412, 15896848, 22928824, 31527133, 45857648, 63054266, 117510223, 126108532, 235020446, 252217064, 470040892, 504434128, 940081784, 1292612453, 1880163568, 2585224906, 5170449812, 10340899624, 20681799248]

約数ペア:

[(1, 20681799248), (2, 10340899624), (4, 5170449812), (8, 2585224906), (11, 1880163568), (16, 1292612453), (22, 940081784), (41, 504434128), (44, 470040892), (82, 252217064), (88, 235020446), (164, 126108532), (176, 117510223), (328, 63054266), (451, 45857648), (656, 31527133), (902, 22928824), (1301, 15896848), (1804, 11464412), (2203, 9388016), (2602, 7948424), (3608, 5732206), (4406, 4694008), (5204, 3974212), (7216, 2866103), (8812, 2347004), (10408, 1987106), (14311, 1445168), (17624, 1173502), (20816, 993553), (24233, 853456), (28622, 722584), (35248, 586751), (48466, 426728), (53341, 387728), (57244, 361292), (90323, 228976), (96932, 213364), (106682, 193864), (114488, 180646)]