20585070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41622930

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 29, 30, 33, 45, 54, 55, 58, 66, 87, 90, 99, 110, 135, 145, 165, 174, 198, 239, 261, 270, 290, 297, 319, 330, 435, 478, 495, 522, 594, 638, 717, 783, 870, 957, 990, 1195, 1305, 1434, 1485, 1566, 1595, 1914, 2151, 2390, 2610, 2629, 2871, 2970, 3190, 3585, 3915, 4302, 4785, 5258, 5742, 6453, 6931, 7170, 7830, 7887, 8613, 9570, 10755, 12906, 13145, 13862, 14355, 15774, 17226, 20793, 21510, 23661, 26290, 28710, 32265, 34655, 39435, 41586, 43065, 47322, 62379, 64530, 69310, 70983, 76241, 78870, 86130, 103965, 118305, 124758, 141966, 152482, 187137, 207930, 228723, 236610, 311895, 354915, 374274, 381205, 457446, 623790, 686169, 709830, 762410, 935685, 1143615, 1372338, 1871370, 2058507, 2287230, 3430845, 4117014, 6861690, 10292535, 20585070]

約数ペア:

[(1, 20585070), (2, 10292535), (3, 6861690), (5, 4117014), (6, 3430845), (9, 2287230), (10, 2058507), (11, 1871370), (15, 1372338), (18, 1143615), (22, 935685), (27, 762410), (29, 709830), (30, 686169), (33, 623790), (45, 457446), (54, 381205), (55, 374274), (58, 354915), (66, 311895), (87, 236610), (90, 228723), (99, 207930), (110, 187137), (135, 152482), (145, 141966), (165, 124758), (174, 118305), (198, 103965), (239, 86130), (261, 78870), (270, 76241), (290, 70983), (297, 69310), (319, 64530), (330, 62379), (435, 47322), (478, 43065), (495, 41586), (522, 39435), (594, 34655), (638, 32265), (717, 28710), (783, 26290), (870, 23661), (957, 21510), (990, 20793), (1195, 17226), (1305, 15774), (1434, 14355), (1485, 13862), (1566, 13145), (1595, 12906), (1914, 10755), (2151, 9570), (2390, 8613), (2610, 7887), (2629, 7830), (2871, 7170), (2970, 6931), (3190, 6453), (3585, 5742), (3915, 5258), (4302, 4785)]