20877276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 59637760

約数和(自身を除く): 38760484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 103, 114, 127, 133, 206, 228, 254, 266, 309, 381, 399, 412, 508, 532, 618, 721, 762, 798, 889, 1236, 1442, 1524, 1596, 1778, 1957, 2163, 2413, 2667, 2884, 3556, 3914, 4326, 4826, 5334, 5871, 7239, 7828, 8652, 9652, 10668, 11742, 13081, 13699, 14478, 16891, 23484, 26162, 27398, 28956, 33782, 39243, 41097, 50673, 52324, 54796, 67564, 78486, 82194, 91567, 101346, 156972, 164388, 183134, 202692, 248539, 274701, 366268, 497078, 549402, 745617, 994156, 1098804, 1491234, 1739773, 2982468, 3479546, 5219319, 6959092, 10438638, 20877276]

約数ペア:

[(1, 20877276), (2, 10438638), (3, 6959092), (4, 5219319), (6, 3479546), (7, 2982468), (12, 1739773), (14, 1491234), (19, 1098804), (21, 994156), (28, 745617), (38, 549402), (42, 497078), (57, 366268), (76, 274701), (84, 248539), (103, 202692), (114, 183134), (127, 164388), (133, 156972), (206, 101346), (228, 91567), (254, 82194), (266, 78486), (309, 67564), (381, 54796), (399, 52324), (412, 50673), (508, 41097), (532, 39243), (618, 33782), (721, 28956), (762, 27398), (798, 26162), (889, 23484), (1236, 16891), (1442, 14478), (1524, 13699), (1596, 13081), (1778, 11742), (1957, 10668), (2163, 9652), (2413, 8652), (2667, 7828), (2884, 7239), (3556, 5871), (3914, 5334), (4326, 4826)]