20808468477

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{1409}}^1\times {\mathrm{10867}}^1$

素因数の和:12433

約数の個数: 24

約数和(自身を含む): 30279986880

約数和(自身を除く): 9471518403

約数列:

[1, 3, 9, 151, 453, 1359, 1409, 4227, 10867, 12681, 32601, 97803, 212759, 638277, 1640917, 1914831, 4922751, 14768253, 15311603, 45934809, 137804427, 2312052053, 6936156159, 20808468477]

約数ペア:

[(1, 20808468477), (3, 6936156159), (9, 2312052053), (151, 137804427), (453, 45934809), (1359, 15311603), (1409, 14768253), (4227, 4922751), (10867, 1914831), (12681, 1640917), (32601, 638277), (97803, 212759)]