20561365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1321}}^1$

素因数の和:1620

約数の個数: 16

約数和(自身を含む): 27032256

約数和(自身を除く): 6470891

約数列:

[1, 5, 11, 55, 283, 1321, 1415, 3113, 6605, 14531, 15565, 72655, 373843, 1869215, 4112273, 20561365]

約数ペア:

[(1, 20561365), (5, 4112273), (11, 1869215), (55, 373843), (283, 72655), (1321, 15565), (1415, 14531), (3113, 6605)]