20294967

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 34899200

約数和(自身を除く): 14604233

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 163, 231, 343, 363, 489, 539, 847, 1029, 1141, 1617, 1793, 2541, 3423, 3773, 5379, 5929, 7987, 11319, 12551, 17787, 19723, 23961, 37653, 41503, 55909, 59169, 87857, 124509, 138061, 167727, 263571, 414183, 614999, 966427, 1844997, 2899281, 6764989, 20294967]

約数ペア:

[(1, 20294967), (3, 6764989), (7, 2899281), (11, 1844997), (21, 966427), (33, 614999), (49, 414183), (77, 263571), (121, 167727), (147, 138061), (163, 124509), (231, 87857), (343, 59169), (363, 55909), (489, 41503), (539, 37653), (847, 23961), (1029, 19723), (1141, 17787), (1617, 12551), (1793, 11319), (2541, 7987), (3423, 5929), (3773, 5379)]