20687370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 56306880

約数和(自身を除く): 35619510

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 41, 55, 66, 82, 110, 121, 123, 139, 165, 205, 242, 246, 278, 330, 363, 410, 417, 451, 605, 615, 695, 726, 834, 902, 1210, 1230, 1353, 1390, 1529, 1815, 2085, 2255, 2706, 3058, 3630, 4170, 4510, 4587, 4961, 5699, 6765, 7645, 9174, 9922, 11398, 13530, 14883, 15290, 16819, 17097, 22935, 24805, 28495, 29766, 33638, 34194, 45870, 49610, 50457, 56990, 62689, 74415, 84095, 85485, 100914, 125378, 148830, 168190, 170970, 188067, 252285, 313445, 376134, 504570, 626890, 689579, 940335, 1379158, 1880670, 2068737, 3447895, 4137474, 6895790, 10343685, 20687370]

約数ペア:

[(1, 20687370), (2, 10343685), (3, 6895790), (5, 4137474), (6, 3447895), (10, 2068737), (11, 1880670), (15, 1379158), (22, 940335), (30, 689579), (33, 626890), (41, 504570), (55, 376134), (66, 313445), (82, 252285), (110, 188067), (121, 170970), (123, 168190), (139, 148830), (165, 125378), (205, 100914), (242, 85485), (246, 84095), (278, 74415), (330, 62689), (363, 56990), (410, 50457), (417, 49610), (451, 45870), (605, 34194), (615, 33638), (695, 29766), (726, 28495), (834, 24805), (902, 22935), (1210, 17097), (1230, 16819), (1353, 15290), (1390, 14883), (1529, 13530), (1815, 11398), (2085, 9922), (2255, 9174), (2706, 7645), (3058, 6765), (3630, 5699), (4170, 4961), (4510, 4587)]