20720349717

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6063901}}^1$

素因数の和:6063988

約数の個数: 16

約数和(自身を含む): 29688864192

約数和(自身を除く): 8968514475

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 6063901, 18191703, 103086317, 309258951, 406281367, 1218844101, 6906783239, 20720349717]

約数ペア:

[(1, 20720349717), (3, 6906783239), (17, 1218844101), (51, 406281367), (67, 309258951), (201, 103086317), (1139, 18191703), (3417, 6063901)]