20901048

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2539}}^1$

素因数の和:2569

約数の個数: 64

約数和(自身を含む): 60960000

約数和(自身を除く): 40058952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2539, 2744, 4116, 5078, 7617, 8232, 10156, 15234, 17773, 20312, 30468, 35546, 53319, 60936, 71092, 106638, 124411, 142184, 213276, 248822, 373233, 426552, 497644, 746466, 870877, 995288, 1492932, 1741754, 2612631, 2985864, 3483508, 5225262, 6967016, 10450524, 20901048]

約数ペア:

[(1, 20901048), (2, 10450524), (3, 6967016), (4, 5225262), (6, 3483508), (7, 2985864), (8, 2612631), (12, 1741754), (14, 1492932), (21, 995288), (24, 870877), (28, 746466), (42, 497644), (49, 426552), (56, 373233), (84, 248822), (98, 213276), (147, 142184), (168, 124411), (196, 106638), (294, 71092), (343, 60936), (392, 53319), (588, 35546), (686, 30468), (1029, 20312), (1176, 17773), (1372, 15234), (2058, 10156), (2539, 8232), (2744, 7617), (4116, 5078)]