20729139

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 29349072

約数和(自身を除く): 8619933

約数列:

[1, 3, 37, 43, 101, 111, 129, 303, 1591, 1849, 3737, 4343, 4773, 5547, 11211, 13029, 68413, 160691, 186749, 205239, 482073, 560247, 6909713, 20729139]

約数ペア:

[(1, 20729139), (3, 6909713), (37, 560247), (43, 482073), (101, 205239), (111, 186749), (129, 160691), (303, 68413), (1591, 13029), (1849, 11211), (3737, 5547), (4343, 4773)]