20971416

素因数分解:

$2^3\times 3^1\times {\mathrm{199}}^1\times {\mathrm{4391}}^1$

素因数の和:4599

約数の個数: 32

約数和(自身を含む): 52704000

約数和(自身を除く): 31732584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 199, 398, 597, 796, 1194, 1592, 2388, 4391, 4776, 8782, 13173, 17564, 26346, 35128, 52692, 105384, 873809, 1747618, 2621427, 3495236, 5242854, 6990472, 10485708, 20971416]

約数ペア:

[(1, 20971416), (2, 10485708), (3, 6990472), (4, 5242854), (6, 3495236), (8, 2621427), (12, 1747618), (24, 873809), (199, 105384), (398, 52692), (597, 35128), (796, 26346), (1194, 17564), (1592, 13173), (2388, 8782), (4391, 4776)]