20938826

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{739}}^1$

素因数の和:1229

約数の個数: 16

約数和(自身を含む): 32536320

約数和(自身を除く): 11597494

約数列:

[1, 2, 31, 62, 457, 739, 914, 1478, 14167, 22909, 28334, 45818, 337723, 675446, 10469413, 20938826]

約数ペア:

[(1, 20938826), (2, 10469413), (31, 675446), (62, 337723), (457, 45818), (739, 28334), (914, 22909), (1478, 14167)]