20824544

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 44643312

約数和(自身を除く): 23818768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 416, 443, 452, 886, 904, 1469, 1772, 1808, 2938, 3544, 3616, 5759, 5876, 7088, 11518, 11752, 14176, 23036, 23504, 46072, 47008, 50059, 92144, 100118, 184288, 200236, 400472, 650767, 800944, 1301534, 1601888, 2603068, 5206136, 10412272, 20824544]

約数ペア:

[(1, 20824544), (2, 10412272), (4, 5206136), (8, 2603068), (13, 1601888), (16, 1301534), (26, 800944), (32, 650767), (52, 400472), (104, 200236), (113, 184288), (208, 100118), (226, 92144), (416, 50059), (443, 47008), (452, 46072), (886, 23504), (904, 23036), (1469, 14176), (1772, 11752), (1808, 11518), (2938, 7088), (3544, 5876), (3616, 5759)]