20505384

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9187}}^1$

素因数の和:9230

約数の個数: 48

約数和(自身を含む): 57333120

約数和(自身を除く): 36827736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9187, 18374, 27561, 36748, 55122, 73496, 82683, 110244, 165366, 220488, 284797, 330732, 569594, 661464, 854391, 1139188, 1708782, 2278376, 2563173, 3417564, 5126346, 6835128, 10252692, 20505384]

約数ペア:

[(1, 20505384), (2, 10252692), (3, 6835128), (4, 5126346), (6, 3417564), (8, 2563173), (9, 2278376), (12, 1708782), (18, 1139188), (24, 854391), (31, 661464), (36, 569594), (62, 330732), (72, 284797), (93, 220488), (124, 165366), (186, 110244), (248, 82683), (279, 73496), (372, 55122), (558, 36748), (744, 27561), (1116, 18374), (2232, 9187)]