20548398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2011}}^1$

素因数の和:2160

約数の個数: 32

約数和(自身を含む): 44618112

約数和(自身を除く): 24069714

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 2011, 3406, 4022, 5109, 6033, 10218, 12066, 26143, 52286, 78429, 156858, 263441, 526882, 790323, 1580646, 3424733, 6849466, 10274199, 20548398]

約数ペア:

[(1, 20548398), (2, 10274199), (3, 6849466), (6, 3424733), (13, 1580646), (26, 790323), (39, 526882), (78, 263441), (131, 156858), (262, 78429), (393, 52286), (786, 26143), (1703, 12066), (2011, 10218), (3406, 6033), (4022, 5109)]