20542784

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{4397}}^1$

素因数の和:4482

約数の個数: 28

約数和(自身を含む): 41332404

約数和(自身を除く): 20789620

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4397, 4672, 8794, 17588, 35176, 70352, 140704, 281408, 320981, 641962, 1283924, 2567848, 5135696, 10271392, 20542784]

約数ペア:

[(1, 20542784), (2, 10271392), (4, 5135696), (8, 2567848), (16, 1283924), (32, 641962), (64, 320981), (73, 281408), (146, 140704), (292, 70352), (584, 35176), (1168, 17588), (2336, 8794), (4397, 4672)]