20177164

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 27239156

約数列:

[1, 2, 4, 7, 14, 17, 19, 23, 28, 34, 38, 46, 68, 76, 92, 97, 119, 133, 161, 194, 238, 266, 322, 323, 388, 391, 437, 476, 532, 644, 646, 679, 782, 874, 1292, 1358, 1564, 1649, 1748, 1843, 2231, 2261, 2716, 2737, 3059, 3298, 3686, 4462, 4522, 5474, 6118, 6596, 7372, 7429, 8924, 9044, 10948, 11543, 12236, 12901, 14858, 15617, 23086, 25802, 29716, 31234, 31331, 37927, 42389, 46172, 51604, 52003, 62468, 62662, 75854, 84778, 104006, 125324, 151708, 169556, 208012, 219317, 265489, 296723, 438634, 530978, 593446, 720613, 877268, 1061956, 1186892, 1441226, 2882452, 5044291, 10088582, 20177164]

約数ペア:

[(1, 20177164), (2, 10088582), (4, 5044291), (7, 2882452), (14, 1441226), (17, 1186892), (19, 1061956), (23, 877268), (28, 720613), (34, 593446), (38, 530978), (46, 438634), (68, 296723), (76, 265489), (92, 219317), (97, 208012), (119, 169556), (133, 151708), (161, 125324), (194, 104006), (238, 84778), (266, 75854), (322, 62662), (323, 62468), (388, 52003), (391, 51604), (437, 46172), (476, 42389), (532, 37927), (644, 31331), (646, 31234), (679, 29716), (782, 25802), (874, 23086), (1292, 15617), (1358, 14858), (1564, 12901), (1649, 12236), (1748, 11543), (1843, 10948), (2231, 9044), (2261, 8924), (2716, 7429), (2737, 7372), (3059, 6596), (3298, 6118), (3686, 5474), (4462, 4522)]