20803426189

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{10867}}^1$

素因数の和:11189

約数の個数: 32

約数和(自身を含む): 25975389440

約数和(自身を除く): 5171963251

約数列:

[1, 7, 13, 91, 109, 193, 763, 1351, 1417, 2509, 9919, 10867, 17563, 21037, 76069, 141271, 147259, 273481, 988897, 1184503, 1914367, 2097331, 8291521, 14681317, 15398539, 27265303, 107789773, 190857121, 228609079, 1600263553, 2971918027, 20803426189]

約数ペア:

[(1, 20803426189), (7, 2971918027), (13, 1600263553), (91, 228609079), (109, 190857121), (193, 107789773), (763, 27265303), (1351, 15398539), (1417, 14681317), (2509, 8291521), (9919, 2097331), (10867, 1914367), (17563, 1184503), (21037, 988897), (76069, 273481), (141271, 147259)]