20784768

素因数分解:

$2^7\times 3^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 35029632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 113, 128, 192, 226, 339, 384, 452, 479, 678, 904, 958, 1356, 1437, 1808, 1916, 2712, 2874, 3616, 3832, 5424, 5748, 7232, 7664, 10848, 11496, 14464, 15328, 21696, 22992, 30656, 43392, 45984, 54127, 61312, 91968, 108254, 162381, 183936, 216508, 324762, 433016, 649524, 866032, 1299048, 1732064, 2598096, 3464128, 5196192, 6928256, 10392384, 20784768]

約数ペア:

[(1, 20784768), (2, 10392384), (3, 6928256), (4, 5196192), (6, 3464128), (8, 2598096), (12, 1732064), (16, 1299048), (24, 866032), (32, 649524), (48, 433016), (64, 324762), (96, 216508), (113, 183936), (128, 162381), (192, 108254), (226, 91968), (339, 61312), (384, 54127), (452, 45984), (479, 43392), (678, 30656), (904, 22992), (958, 21696), (1356, 15328), (1437, 14464), (1808, 11496), (1916, 10848), (2712, 7664), (2874, 7232), (3616, 5748), (3832, 5424)]