20598508

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 44800000

約数和(自身を除く): 24201492

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1249, 2356, 2498, 4123, 4996, 8246, 8743, 16492, 17486, 23731, 34972, 38719, 47462, 77438, 94924, 154876, 166117, 271033, 332234, 542066, 664468, 735661, 1084132, 1471322, 2942644, 5149627, 10299254, 20598508]

約数ペア:

[(1, 20598508), (2, 10299254), (4, 5149627), (7, 2942644), (14, 1471322), (19, 1084132), (28, 735661), (31, 664468), (38, 542066), (62, 332234), (76, 271033), (124, 166117), (133, 154876), (217, 94924), (266, 77438), (434, 47462), (532, 38719), (589, 34972), (868, 23731), (1178, 17486), (1249, 16492), (2356, 8743), (2498, 8246), (4123, 4996)]