2020127135

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1\times {\mathrm{4909}}^1$

素因数の和:5427

約数の個数: 24

約数和(自身を含む): 2630895840

約数和(自身を除く): 610768705

約数列:

[1, 5, 13, 65, 169, 487, 845, 2435, 4909, 6331, 24545, 31655, 63817, 82303, 319085, 411515, 829621, 2390683, 4148105, 11953415, 31078879, 155394395, 404025427, 2020127135]

約数ペア:

[(1, 2020127135), (5, 404025427), (13, 155394395), (65, 31078879), (169, 11953415), (487, 4148105), (845, 2390683), (2435, 829621), (4909, 411515), (6331, 319085), (24545, 82303), (31655, 63817)]