20857683

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12899}}^1$

素因数の和:12927

約数の個数: 24

約数和(自身を含む): 35294400

約数和(自身を除く): 14436717

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12899, 38697, 90293, 141889, 270879, 425667, 632051, 993223, 1896153, 2979669, 6952561, 20857683]

約数ペア:

[(1, 20857683), (3, 6952561), (7, 2979669), (11, 1896153), (21, 993223), (33, 632051), (49, 425667), (77, 270879), (147, 141889), (231, 90293), (539, 38697), (1617, 12899)]