20400034

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1434

約数の個数: 32

約数和(自身を含む): 35614080

約数和(自身を除く): 15214046

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 1373, 2746, 7429, 14858, 23341, 26087, 31579, 46682, 52174, 63158, 443479, 536843, 600001, 886958, 1073686, 1200002, 10200017, 20400034]

約数ペア:

[(1, 20400034), (2, 10200017), (17, 1200002), (19, 1073686), (23, 886958), (34, 600001), (38, 536843), (46, 443479), (323, 63158), (391, 52174), (437, 46682), (646, 31579), (782, 26087), (874, 23341), (1373, 14858), (2746, 7429)]