20492009097

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1239911}}^1$

素因数の和:1240708

約数の個数: 16

約数和(自身を含む): 31265620992

約数和(自身を除く): 10773611895

約数列:

[1, 3, 7, 21, 787, 2361, 5509, 16527, 1239911, 3719733, 8679377, 26038131, 975809957, 2927429871, 6830669699, 20492009097]

約数ペア:

[(1, 20492009097), (3, 6830669699), (7, 2927429871), (21, 975809957), (787, 26038131), (2361, 8679377), (5509, 3719733), (16527, 1239911)]