20199508

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 43563520

約数和(自身を除く): 23364012

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 883, 1204, 1634, 1766, 3268, 3532, 5719, 6181, 11438, 12362, 16777, 22876, 24724, 33554, 37969, 67108, 75938, 117439, 151876, 234878, 265783, 469756, 531566, 721411, 1063132, 1442822, 2885644, 5049877, 10099754, 20199508]

約数ペア:

[(1, 20199508), (2, 10099754), (4, 5049877), (7, 2885644), (14, 1442822), (19, 1063132), (28, 721411), (38, 531566), (43, 469756), (76, 265783), (86, 234878), (133, 151876), (172, 117439), (266, 75938), (301, 67108), (532, 37969), (602, 33554), (817, 24724), (883, 22876), (1204, 16777), (1634, 12362), (1766, 11438), (3268, 6181), (3532, 5719)]