20127711

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10285089

約数列:

[1, 3, 17, 29, 31, 51, 87, 93, 439, 493, 527, 899, 1317, 1479, 1581, 2697, 7463, 12731, 13609, 15283, 22389, 38193, 40827, 45849, 216427, 231353, 394661, 649281, 694059, 1183983, 6709237, 20127711]

約数ペア:

[(1, 20127711), (3, 6709237), (17, 1183983), (29, 694059), (31, 649281), (51, 394661), (87, 231353), (93, 216427), (439, 45849), (493, 40827), (527, 38193), (899, 22389), (1317, 15283), (1479, 13609), (1581, 12731), (2697, 7463)]