20835392

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 56

約数和(自身を含む): 43318176

約数和(自身を除く): 22482784

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 67, 86, 113, 134, 172, 226, 268, 344, 452, 536, 688, 904, 1072, 1376, 1808, 2144, 2752, 2881, 3616, 4288, 4859, 5762, 7232, 7571, 9718, 11524, 15142, 19436, 23048, 30284, 38872, 46096, 60568, 77744, 92192, 121136, 155488, 184384, 242272, 310976, 325553, 484544, 651106, 1302212, 2604424, 5208848, 10417696, 20835392]

約数ペア:

[(1, 20835392), (2, 10417696), (4, 5208848), (8, 2604424), (16, 1302212), (32, 651106), (43, 484544), (64, 325553), (67, 310976), (86, 242272), (113, 184384), (134, 155488), (172, 121136), (226, 92192), (268, 77744), (344, 60568), (452, 46096), (536, 38872), (688, 30284), (904, 23048), (1072, 19436), (1376, 15142), (1808, 11524), (2144, 9718), (2752, 7571), (2881, 7232), (3616, 5762), (4288, 4859)]