20778826258

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1\times {\mathrm{274033}}^1$

素因数の和:275289

約数の個数: 16

約数和(自身を含む): 32200091136

約数和(自身を除く): 11421264878

約数列:

[1, 2, 31, 62, 1223, 2446, 37913, 75826, 274033, 548066, 8495023, 16990046, 335142359, 670284718, 10389413129, 20778826258]

約数ペア:

[(1, 20778826258), (2, 10389413129), (31, 670284718), (62, 335142359), (1223, 16990046), (2446, 8495023), (37913, 548066), (75826, 274033)]