20590812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 108

約数和(自身を含む): 59546760

約数和(自身を除く): 38955948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 121, 132, 163, 174, 198, 242, 261, 319, 326, 348, 363, 396, 484, 489, 522, 638, 652, 726, 957, 978, 1044, 1089, 1276, 1452, 1467, 1793, 1914, 1956, 2178, 2871, 2934, 3509, 3586, 3828, 4356, 4727, 5379, 5742, 5868, 7018, 7172, 9454, 10527, 10758, 11484, 14036, 14181, 16137, 18908, 19723, 21054, 21516, 28362, 31581, 32274, 39446, 42108, 42543, 51997, 56724, 59169, 63162, 64548, 78892, 85086, 103994, 118338, 126324, 155991, 170172, 177507, 207988, 236676, 311982, 355014, 467973, 571967, 623964, 710028, 935946, 1143934, 1715901, 1871892, 2287868, 3431802, 5147703, 6863604, 10295406, 20590812]

約数ペア:

[(1, 20590812), (2, 10295406), (3, 6863604), (4, 5147703), (6, 3431802), (9, 2287868), (11, 1871892), (12, 1715901), (18, 1143934), (22, 935946), (29, 710028), (33, 623964), (36, 571967), (44, 467973), (58, 355014), (66, 311982), (87, 236676), (99, 207988), (116, 177507), (121, 170172), (132, 155991), (163, 126324), (174, 118338), (198, 103994), (242, 85086), (261, 78892), (319, 64548), (326, 63162), (348, 59169), (363, 56724), (396, 51997), (484, 42543), (489, 42108), (522, 39446), (638, 32274), (652, 31581), (726, 28362), (957, 21516), (978, 21054), (1044, 19723), (1089, 18908), (1276, 16137), (1452, 14181), (1467, 14036), (1793, 11484), (1914, 10758), (1956, 10527), (2178, 9454), (2871, 7172), (2934, 7018), (3509, 5868), (3586, 5742), (3828, 5379), (4356, 4727)]