20065265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3347}}^1$

素因数の和:3472

約数の個数: 16

約数和(自身を含む): 26516160

約数和(自身を除く): 6450895

約数列:

[1, 5, 11, 55, 109, 545, 1199, 3347, 5995, 16735, 36817, 184085, 364823, 1824115, 4013053, 20065265]

約数ペア:

[(1, 20065265), (5, 4013053), (11, 1824115), (55, 364823), (109, 184085), (545, 36817), (1199, 16735), (3347, 5995)]