20983743

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2683}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 33496320

約数和(自身を除く): 12512577

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 2683, 7821, 8049, 24147, 29513, 88539, 211957, 265617, 635871, 1907613, 2331527, 6994581, 20983743]

約数ペア:

[(1, 20983743), (3, 6994581), (9, 2331527), (11, 1907613), (33, 635871), (79, 265617), (99, 211957), (237, 88539), (711, 29513), (869, 24147), (2607, 8049), (2683, 7821)]