20291215413

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 33156708480

約数和(自身を除く): 12865493067

約数列:

[1, 3, 7, 21, 41, 49, 53, 123, 139, 147, 159, 287, 371, 417, 457, 861, 973, 1113, 1371, 2009, 2173, 2597, 2919, 3199, 5699, 6027, 6519, 6811, 7367, 7791, 9597, 15211, 17097, 18737, 20433, 22101, 22393, 24221, 39893, 45633, 51569, 56211, 63523, 67179, 72663, 106477, 119679, 131159, 154707, 169547, 190569, 279251, 302047, 319431, 360983, 393477, 444661, 508641, 837753, 906141, 918113, 993061, 1082949, 1186829, 1333983, 2114329, 2604443, 2754339, 2979183, 3112627, 3366719, 3560487, 6342987, 6951427, 7813329, 9337881, 10100157, 14800303, 18231101, 20854281, 23567033, 44400909, 48659989, 54693303, 70701099, 127617707, 138035479, 145979967, 164969231, 382853121, 414106437, 494907693, 966248353, 2898745059, 6763738471, 20291215413]

約数ペア:

[(1, 20291215413), (3, 6763738471), (7, 2898745059), (21, 966248353), (41, 494907693), (49, 414106437), (53, 382853121), (123, 164969231), (139, 145979967), (147, 138035479), (159, 127617707), (287, 70701099), (371, 54693303), (417, 48659989), (457, 44400909), (861, 23567033), (973, 20854281), (1113, 18231101), (1371, 14800303), (2009, 10100157), (2173, 9337881), (2597, 7813329), (2919, 6951427), (3199, 6342987), (5699, 3560487), (6027, 3366719), (6519, 3112627), (6811, 2979183), (7367, 2754339), (7791, 2604443), (9597, 2114329), (15211, 1333983), (17097, 1186829), (18737, 1082949), (20433, 993061), (22101, 918113), (22393, 906141), (24221, 837753), (39893, 508641), (45633, 444661), (51569, 393477), (56211, 360983), (63523, 319431), (67179, 302047), (72663, 279251), (106477, 190569), (119679, 169547), (131159, 154707)]