20176517984

素因数分解:

$2^5\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{74257}}^1$

素因数の和:75487

約数の個数: 48

約数和(自身を含む): 45435202848

約数和(自身を除く): 25258684864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1213, 2426, 4852, 8491, 9704, 16982, 19408, 33964, 38816, 67928, 74257, 135856, 148514, 271712, 297028, 519799, 594056, 1039598, 1188112, 2079196, 2376224, 4158392, 8316784, 16633568, 90073741, 180147482, 360294964, 630516187, 720589928, 1261032374, 1441179856, 2522064748, 2882359712, 5044129496, 10088258992, 20176517984]

約数ペア:

[(1, 20176517984), (2, 10088258992), (4, 5044129496), (7, 2882359712), (8, 2522064748), (14, 1441179856), (16, 1261032374), (28, 720589928), (32, 630516187), (56, 360294964), (112, 180147482), (224, 90073741), (1213, 16633568), (2426, 8316784), (4852, 4158392), (8491, 2376224), (9704, 2079196), (16982, 1188112), (19408, 1039598), (33964, 594056), (38816, 519799), (67928, 297028), (74257, 271712), (135856, 148514)]