20879432937

素因数分解:

$3^4\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{10193}}^1$

素因数の和:10257

約数の個数: 80

約数和(自身を含む): 36116118720

約数和(自身を除く): 15236685783

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 121, 171, 209, 297, 363, 513, 627, 891, 1089, 1331, 1539, 1881, 2299, 3267, 3993, 5643, 6897, 9801, 10193, 11979, 16929, 20691, 25289, 30579, 35937, 62073, 75867, 91737, 107811, 112123, 186219, 193667, 227601, 275211, 336369, 581001, 682803, 825633, 1009107, 1233353, 1743003, 2048409, 2130337, 3027321, 3700059, 5229009, 6391011, 9081963, 11100177, 13566883, 15687027, 19173033, 23433707, 33300531, 40700649, 57519099, 70301121, 99901593, 122101947, 172557297, 210903363, 257770777, 366305841, 632710089, 773312331, 1098917523, 1898130267, 2319936993, 6959810979, 20879432937]

約数ペア:

[(1, 20879432937), (3, 6959810979), (9, 2319936993), (11, 1898130267), (19, 1098917523), (27, 773312331), (33, 632710089), (57, 366305841), (81, 257770777), (99, 210903363), (121, 172557297), (171, 122101947), (209, 99901593), (297, 70301121), (363, 57519099), (513, 40700649), (627, 33300531), (891, 23433707), (1089, 19173033), (1331, 15687027), (1539, 13566883), (1881, 11100177), (2299, 9081963), (3267, 6391011), (3993, 5229009), (5643, 3700059), (6897, 3027321), (9801, 2130337), (10193, 2048409), (11979, 1743003), (16929, 1233353), (20691, 1009107), (25289, 825633), (30579, 682803), (35937, 581001), (62073, 336369), (75867, 275211), (91737, 227601), (107811, 193667), (112123, 186219)]