20152568

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 39243360

約数和(自身を除く): 19090792

約数列:

[1, 2, 4, 8, 37, 74, 103, 148, 206, 296, 412, 661, 824, 1322, 2644, 3811, 5288, 7622, 15244, 24457, 30488, 48914, 68083, 97828, 136166, 195656, 272332, 544664, 2519071, 5038142, 10076284, 20152568]

約数ペア:

[(1, 20152568), (2, 10076284), (4, 5038142), (8, 2519071), (37, 544664), (74, 272332), (103, 195656), (148, 136166), (206, 97828), (296, 68083), (412, 48914), (661, 30488), (824, 24457), (1322, 15244), (2644, 7622), (3811, 5288)]