20394368

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{1163}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 40961160

約数和(自身を除く): 20566792

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1096, 1163, 2192, 2326, 4384, 4652, 8768, 9304, 17536, 18608, 37216, 74432, 148864, 159331, 318662, 637324, 1274648, 2549296, 5098592, 10197184, 20394368]

約数ペア:

[(1, 20394368), (2, 10197184), (4, 5098592), (8, 2549296), (16, 1274648), (32, 637324), (64, 318662), (128, 159331), (137, 148864), (274, 74432), (548, 37216), (1096, 18608), (1163, 17536), (2192, 9304), (2326, 8768), (4384, 4652)]