20086663828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{732769}}^1$

素因数の和:732880

約数の個数: 48

約数和(自身を含む): 44317929600

約数和(自身を除く): 24231265772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 979, 1246, 1958, 2492, 3916, 6853, 13706, 27412, 732769, 1465538, 2931076, 5129383, 8060459, 10258766, 16120918, 20517532, 32241836, 56423213, 65216441, 112846426, 130432882, 225692852, 260865764, 456515087, 717380851, 913030174, 1434761702, 1826060348, 2869523404, 5021665957, 10043331914, 20086663828]

約数ペア:

[(1, 20086663828), (2, 10043331914), (4, 5021665957), (7, 2869523404), (11, 1826060348), (14, 1434761702), (22, 913030174), (28, 717380851), (44, 456515087), (77, 260865764), (89, 225692852), (154, 130432882), (178, 112846426), (308, 65216441), (356, 56423213), (623, 32241836), (979, 20517532), (1246, 16120918), (1958, 10258766), (2492, 8060459), (3916, 5129383), (6853, 2931076), (13706, 1465538), (27412, 732769)]