20180773480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{35141}}^1$

素因数の和:35459

約数の個数: 96

約数和(自身を含む): 53001867240

約数和(自身を除く): 32821093760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 293, 392, 490, 586, 980, 1172, 1465, 1960, 2051, 2344, 2930, 4102, 5860, 8204, 10255, 11720, 14357, 16408, 20510, 28714, 35141, 41020, 57428, 70282, 71785, 82040, 114856, 140564, 143570, 175705, 245987, 281128, 287140, 351410, 491974, 574280, 702820, 983948, 1229935, 1405640, 1721909, 1967896, 2459870, 3443818, 4919740, 6887636, 8609545, 9839480, 10296313, 13775272, 17219090, 20592626, 34438180, 41185252, 51481565, 68876360, 72074191, 82370504, 102963130, 144148382, 205926260, 288296764, 360370955, 411852520, 504519337, 576593528, 720741910, 1009038674, 1441483820, 2018077348, 2522596685, 2882967640, 4036154696, 5045193370, 10090386740, 20180773480]

約数ペア:

[(1, 20180773480), (2, 10090386740), (4, 5045193370), (5, 4036154696), (7, 2882967640), (8, 2522596685), (10, 2018077348), (14, 1441483820), (20, 1009038674), (28, 720741910), (35, 576593528), (40, 504519337), (49, 411852520), (56, 360370955), (70, 288296764), (98, 205926260), (140, 144148382), (196, 102963130), (245, 82370504), (280, 72074191), (293, 68876360), (392, 51481565), (490, 41185252), (586, 34438180), (980, 20592626), (1172, 17219090), (1465, 13775272), (1960, 10296313), (2051, 9839480), (2344, 8609545), (2930, 6887636), (4102, 4919740), (5860, 3443818), (8204, 2459870), (10255, 1967896), (11720, 1721909), (14357, 1405640), (16408, 1229935), (20510, 983948), (28714, 702820), (35141, 574280), (41020, 491974), (57428, 351410), (70282, 287140), (71785, 281128), (82040, 245987), (114856, 175705), (140564, 143570)]