20587716

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 57344000

約数和(自身を除く): 36756284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 79, 108, 114, 127, 158, 171, 228, 237, 254, 316, 342, 381, 474, 508, 513, 684, 711, 762, 948, 1026, 1143, 1422, 1501, 1524, 2052, 2133, 2286, 2413, 2844, 3002, 3429, 4266, 4503, 4572, 4826, 6004, 6858, 7239, 8532, 9006, 9652, 10033, 13509, 13716, 14478, 18012, 20066, 21717, 27018, 28956, 30099, 40132, 40527, 43434, 54036, 60198, 65151, 81054, 86868, 90297, 120396, 130302, 162108, 180594, 190627, 260604, 270891, 361188, 381254, 541782, 571881, 762508, 1083564, 1143762, 1715643, 2287524, 3431286, 5146929, 6862572, 10293858, 20587716]

約数ペア:

[(1, 20587716), (2, 10293858), (3, 6862572), (4, 5146929), (6, 3431286), (9, 2287524), (12, 1715643), (18, 1143762), (19, 1083564), (27, 762508), (36, 571881), (38, 541782), (54, 381254), (57, 361188), (76, 270891), (79, 260604), (108, 190627), (114, 180594), (127, 162108), (158, 130302), (171, 120396), (228, 90297), (237, 86868), (254, 81054), (316, 65151), (342, 60198), (381, 54036), (474, 43434), (508, 40527), (513, 40132), (684, 30099), (711, 28956), (762, 27018), (948, 21717), (1026, 20066), (1143, 18012), (1422, 14478), (1501, 13716), (1524, 13509), (2052, 10033), (2133, 9652), (2286, 9006), (2413, 8532), (2844, 7239), (3002, 6858), (3429, 6004), (4266, 4826), (4503, 4572)]