20542208

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2767}}^1$

素因数の和:2812

約数の個数: 36

約数和(自身を含む): 42433440

約数和(自身を除く): 21891232

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2767, 3712, 5534, 7424, 11068, 22136, 44272, 80243, 88544, 160486, 177088, 320972, 354176, 641944, 708352, 1283888, 2567776, 5135552, 10271104, 20542208]

約数ペア:

[(1, 20542208), (2, 10271104), (4, 5135552), (8, 2567776), (16, 1283888), (29, 708352), (32, 641944), (58, 354176), (64, 320972), (116, 177088), (128, 160486), (232, 88544), (256, 80243), (464, 44272), (928, 22136), (1856, 11068), (2767, 7424), (3712, 5534)]