20939292

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 144

約数和(自身を含む): 63947520

約数和(自身を除く): 43008228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 23, 33, 36, 38, 44, 46, 57, 66, 69, 76, 92, 99, 114, 121, 132, 138, 171, 198, 207, 209, 228, 242, 253, 276, 342, 363, 396, 414, 418, 437, 484, 506, 627, 684, 726, 759, 828, 836, 874, 1012, 1089, 1254, 1311, 1331, 1452, 1518, 1748, 1881, 2178, 2277, 2299, 2508, 2622, 2662, 2783, 3036, 3762, 3933, 3993, 4356, 4554, 4598, 4807, 5244, 5324, 5566, 6897, 7524, 7866, 7986, 8349, 9108, 9196, 9614, 11132, 11979, 13794, 14421, 15732, 15972, 16698, 19228, 20691, 23958, 25047, 25289, 27588, 28842, 30613, 33396, 41382, 43263, 47916, 50094, 50578, 52877, 57684, 61226, 75867, 82764, 86526, 91839, 100188, 101156, 105754, 122452, 151734, 158631, 173052, 183678, 211508, 227601, 275517, 303468, 317262, 367356, 455202, 475893, 551034, 581647, 634524, 910404, 951786, 1102068, 1163294, 1744941, 1903572, 2326588, 3489882, 5234823, 6979764, 10469646, 20939292]

約数ペア:

[(1, 20939292), (2, 10469646), (3, 6979764), (4, 5234823), (6, 3489882), (9, 2326588), (11, 1903572), (12, 1744941), (18, 1163294), (19, 1102068), (22, 951786), (23, 910404), (33, 634524), (36, 581647), (38, 551034), (44, 475893), (46, 455202), (57, 367356), (66, 317262), (69, 303468), (76, 275517), (92, 227601), (99, 211508), (114, 183678), (121, 173052), (132, 158631), (138, 151734), (171, 122452), (198, 105754), (207, 101156), (209, 100188), (228, 91839), (242, 86526), (253, 82764), (276, 75867), (342, 61226), (363, 57684), (396, 52877), (414, 50578), (418, 50094), (437, 47916), (484, 43263), (506, 41382), (627, 33396), (684, 30613), (726, 28842), (759, 27588), (828, 25289), (836, 25047), (874, 23958), (1012, 20691), (1089, 19228), (1254, 16698), (1311, 15972), (1331, 15732), (1452, 14421), (1518, 13794), (1748, 11979), (1881, 11132), (2178, 9614), (2277, 9196), (2299, 9108), (2508, 8349), (2622, 7986), (2662, 7866), (2783, 7524), (3036, 6897), (3762, 5566), (3933, 5324), (3993, 5244), (4356, 4807), (4554, 4598)]