20767964

素因数分解:

$2^2\times 7^3\times {\mathrm{15137}}^1$

素因数の和:15162

約数の個数: 24

約数和(自身を含む): 42386400

約数和(自身を除く): 21618436

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15137, 30274, 60548, 105959, 211918, 423836, 741713, 1483426, 2966852, 5191991, 10383982, 20767964]

約数ペア:

[(1, 20767964), (2, 10383982), (4, 5191991), (7, 2966852), (14, 1483426), (28, 741713), (49, 423836), (98, 211918), (196, 105959), (343, 60548), (686, 30274), (1372, 15137)]