20406656

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1217}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 40997880

約数和(自身を除く): 20591224

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1217, 2096, 2434, 4192, 4868, 8384, 9736, 16768, 19472, 38944, 77888, 155776, 159427, 318854, 637708, 1275416, 2550832, 5101664, 10203328, 20406656]

約数ペア:

[(1, 20406656), (2, 10203328), (4, 5101664), (8, 2550832), (16, 1275416), (32, 637708), (64, 318854), (128, 159427), (131, 155776), (262, 77888), (524, 38944), (1048, 19472), (1217, 16768), (2096, 9736), (2434, 8384), (4192, 4868)]