20751055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2437}}^1$

素因数の和:2586

約数の個数: 16

約数和(自身を含む): 27032544

約数和(自身を除く): 6281489

約数列:

[1, 5, 13, 65, 131, 655, 1703, 2437, 8515, 12185, 31681, 158405, 319247, 1596235, 4150211, 20751055]

約数ペア:

[(1, 20751055), (5, 4150211), (13, 1596235), (65, 319247), (131, 158405), (655, 31681), (1703, 12185), (2437, 8515)]