20120656563

素因数分解:

$3^2\times 7^1\times {\mathrm{319375501}}^1$

素因数の和:319375514

約数の個数: 12

約数和(自身を含む): 33215052208

約数和(自身を除く): 13094395645

約数列:

[1, 3, 7, 9, 21, 63, 319375501, 958126503, 2235628507, 2874379509, 6706885521, 20120656563]

約数ペア:

[(1, 20120656563), (3, 6706885521), (7, 2874379509), (9, 2235628507), (21, 958126503), (63, 319375501)]