20199131967

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{11467}}^1$

素因数の和:12028

約数の個数: 48

約数和(自身を含む): 32757011712

約数和(自身を除く): 12557879745

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 521, 1127, 1563, 3381, 3647, 10941, 11467, 11983, 25529, 34401, 35949, 76587, 80269, 83881, 240807, 251643, 263741, 561883, 587167, 791223, 1685649, 1761501, 1846187, 5538561, 5974307, 12923309, 17922921, 38769927, 41820149, 125460447, 137409061, 292741043, 412227183, 878223129, 961863427, 2885590281, 6733043989, 20199131967]

約数ペア:

[(1, 20199131967), (3, 6733043989), (7, 2885590281), (21, 961863427), (23, 878223129), (49, 412227183), (69, 292741043), (147, 137409061), (161, 125460447), (483, 41820149), (521, 38769927), (1127, 17922921), (1563, 12923309), (3381, 5974307), (3647, 5538561), (10941, 1846187), (11467, 1761501), (11983, 1685649), (25529, 791223), (34401, 587167), (35949, 561883), (76587, 263741), (80269, 251643), (83881, 240807)]