20494528

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{3109}}^1$

素因数の和:3224

約数の個数: 28

約数和(自身を含む): 41076880

約数和(自身を除く): 20582352

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 206, 412, 824, 1648, 3109, 3296, 6218, 6592, 12436, 24872, 49744, 99488, 198976, 320227, 640454, 1280908, 2561816, 5123632, 10247264, 20494528]

約数ペア:

[(1, 20494528), (2, 10247264), (4, 5123632), (8, 2561816), (16, 1280908), (32, 640454), (64, 320227), (103, 198976), (206, 99488), (412, 49744), (824, 24872), (1648, 12436), (3109, 6592), (3296, 6218)]