20225310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 60410880

約数和(自身を除く): 40185570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 37, 38, 42, 57, 70, 74, 95, 105, 111, 114, 133, 137, 185, 190, 210, 222, 259, 266, 274, 285, 370, 399, 411, 518, 555, 570, 665, 685, 703, 777, 798, 822, 959, 1110, 1295, 1330, 1370, 1406, 1554, 1918, 1995, 2055, 2109, 2590, 2603, 2877, 3515, 3885, 3990, 4110, 4218, 4795, 4921, 5069, 5206, 5754, 7030, 7770, 7809, 9590, 9842, 10138, 10545, 13015, 14385, 14763, 15207, 15618, 18221, 21090, 24605, 25345, 26030, 28770, 29526, 30414, 35483, 36442, 39045, 49210, 50690, 54663, 70966, 73815, 76035, 78090, 91105, 96311, 106449, 109326, 147630, 152070, 177415, 182210, 192622, 212898, 273315, 288933, 354830, 481555, 532245, 546630, 577866, 674177, 963110, 1064490, 1348354, 1444665, 2022531, 2889330, 3370885, 4045062, 6741770, 10112655, 20225310]

約数ペア:

[(1, 20225310), (2, 10112655), (3, 6741770), (5, 4045062), (6, 3370885), (7, 2889330), (10, 2022531), (14, 1444665), (15, 1348354), (19, 1064490), (21, 963110), (30, 674177), (35, 577866), (37, 546630), (38, 532245), (42, 481555), (57, 354830), (70, 288933), (74, 273315), (95, 212898), (105, 192622), (111, 182210), (114, 177415), (133, 152070), (137, 147630), (185, 109326), (190, 106449), (210, 96311), (222, 91105), (259, 78090), (266, 76035), (274, 73815), (285, 70966), (370, 54663), (399, 50690), (411, 49210), (518, 39045), (555, 36442), (570, 35483), (665, 30414), (685, 29526), (703, 28770), (777, 26030), (798, 25345), (822, 24605), (959, 21090), (1110, 18221), (1295, 15618), (1330, 15207), (1370, 14763), (1406, 14385), (1554, 13015), (1918, 10545), (1995, 10138), (2055, 9842), (2109, 9590), (2590, 7809), (2603, 7770), (2877, 7030), (3515, 5754), (3885, 5206), (3990, 5069), (4110, 4921), (4218, 4795)]