20905896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 60137280

約数和(自身を除く): 39231384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 44, 46, 66, 69, 88, 92, 121, 132, 138, 184, 242, 253, 264, 276, 313, 363, 484, 506, 552, 626, 726, 759, 939, 968, 1012, 1252, 1452, 1518, 1878, 2024, 2504, 2783, 2904, 3036, 3443, 3756, 5566, 6072, 6886, 7199, 7512, 8349, 10329, 11132, 13772, 14398, 16698, 20658, 21597, 22264, 27544, 28796, 33396, 37873, 41316, 43194, 57592, 66792, 75746, 79189, 82632, 86388, 113619, 151492, 158378, 172776, 227238, 237567, 302984, 316756, 454476, 475134, 633512, 871079, 908952, 950268, 1742158, 1900536, 2613237, 3484316, 5226474, 6968632, 10452948, 20905896]

約数ペア:

[(1, 20905896), (2, 10452948), (3, 6968632), (4, 5226474), (6, 3484316), (8, 2613237), (11, 1900536), (12, 1742158), (22, 950268), (23, 908952), (24, 871079), (33, 633512), (44, 475134), (46, 454476), (66, 316756), (69, 302984), (88, 237567), (92, 227238), (121, 172776), (132, 158378), (138, 151492), (184, 113619), (242, 86388), (253, 82632), (264, 79189), (276, 75746), (313, 66792), (363, 57592), (484, 43194), (506, 41316), (552, 37873), (626, 33396), (726, 28796), (759, 27544), (939, 22264), (968, 21597), (1012, 20658), (1252, 16698), (1452, 14398), (1518, 13772), (1878, 11132), (2024, 10329), (2504, 8349), (2783, 7512), (2904, 7199), (3036, 6886), (3443, 6072), (3756, 5566)]