20996912181

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27023053}}^1$

素因数の和:27023100

約数の個数: 16

約数和(自身を含む): 32860033664

約数和(自身を除く): 11863121483

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 27023053, 81069159, 189161371, 567484113, 999852961, 2999558883, 6998970727, 20996912181]

約数ペア:

[(1, 20996912181), (3, 6998970727), (7, 2999558883), (21, 999852961), (37, 567484113), (111, 189161371), (259, 81069159), (777, 27023053)]