20753359

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 23275296

約数和(自身を除く): 2521937

約数列:

[1, 11, 61, 157, 197, 671, 1727, 2167, 9577, 12017, 30929, 105347, 132187, 340219, 1886669, 20753359]

約数ペア:

[(1, 20753359), (11, 1886669), (61, 340219), (157, 132187), (197, 105347), (671, 30929), (1727, 12017), (2167, 9577)]