20503131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14449}}^1$

素因数の和:14506

約数の個数: 16

約数和(自身を含む): 30518400

約数和(自身を除く): 10015269

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14449, 43347, 158939, 476817, 621307, 1863921, 6834377, 20503131]

約数ペア:

[(1, 20503131), (3, 6834377), (11, 1863921), (33, 621307), (43, 476817), (129, 158939), (473, 43347), (1419, 14449)]