20668053

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6113}}^1$

素因数の和:6153

約数の個数: 24

約数和(自身を含む): 33455808

約数和(自身を除く): 12787755

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 6113, 18339, 42791, 128373, 140599, 299537, 421797, 898611, 984193, 2952579, 6889351, 20668053]

約数ペア:

[(1, 20668053), (3, 6889351), (7, 2952579), (21, 984193), (23, 898611), (49, 421797), (69, 299537), (147, 140599), (161, 128373), (483, 42791), (1127, 18339), (3381, 6113)]