20137205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3359}}^1$

素因数の和:3484

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 6473995

約数列:

[1, 5, 11, 55, 109, 545, 1199, 3359, 5995, 16795, 36949, 184745, 366131, 1830655, 4027441, 20137205]

約数ペア:

[(1, 20137205), (5, 4027441), (11, 1830655), (55, 366131), (109, 184745), (545, 36949), (1199, 16795), (3359, 5995)]