20431323

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4391}}^1$

素因数の和:4455

約数の個数: 24

約数和(自身を含む): 32887296

約数和(自身を除く): 12455973

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4391, 4653, 13173, 39519, 48301, 144903, 206377, 434709, 619131, 1857393, 2270147, 6810441, 20431323]

約数ペア:

[(1, 20431323), (3, 6810441), (9, 2270147), (11, 1857393), (33, 619131), (47, 434709), (99, 206377), (141, 144903), (423, 48301), (517, 39519), (1551, 13173), (4391, 4653)]