20346495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 35341824

約数和(自身を除く): 14995329

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 195, 453, 691, 755, 1963, 2073, 2265, 3455, 5889, 8983, 9815, 10365, 26949, 29445, 44915, 104341, 134745, 313023, 521705, 1356433, 1565115, 4069299, 6782165, 20346495]

約数ペア:

[(1, 20346495), (3, 6782165), (5, 4069299), (13, 1565115), (15, 1356433), (39, 521705), (65, 313023), (151, 134745), (195, 104341), (453, 44915), (691, 29445), (755, 26949), (1963, 10365), (2073, 9815), (2265, 8983), (3455, 5889)]