20899639320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24880523}}^1$

素因数の和:24880544

約数の個数: 64

約数和(自身を含む): 71655909120

約数和(自身を除く): 50756269800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24880523, 49761046, 74641569, 99522092, 124402615, 149283138, 174163661, 199044184, 248805230, 298566276, 348327322, 373207845, 497610460, 522490983, 597132552, 696654644, 746415690, 870818305, 995220920, 1044981966, 1393309288, 1492831380, 1741636610, 2089963932, 2612454915, 2985662760, 3483273220, 4179927864, 5224909830, 6966546440, 10449819660, 20899639320]

約数ペア:

[(1, 20899639320), (2, 10449819660), (3, 6966546440), (4, 5224909830), (5, 4179927864), (6, 3483273220), (7, 2985662760), (8, 2612454915), (10, 2089963932), (12, 1741636610), (14, 1492831380), (15, 1393309288), (20, 1044981966), (21, 995220920), (24, 870818305), (28, 746415690), (30, 696654644), (35, 597132552), (40, 522490983), (42, 497610460), (56, 373207845), (60, 348327322), (70, 298566276), (84, 248805230), (105, 199044184), (120, 174163661), (140, 149283138), (168, 124402615), (210, 99522092), (280, 74641569), (420, 49761046), (840, 24880523)]