20569647

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 34078720

約数和(自身を除く): 13509073

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1663, 1767, 4123, 4989, 11641, 12369, 31597, 34923, 51553, 94791, 154659, 221179, 360871, 663537, 979507, 1082613, 2938521, 6856549, 20569647]

約数ペア:

[(1, 20569647), (3, 6856549), (7, 2938521), (19, 1082613), (21, 979507), (31, 663537), (57, 360871), (93, 221179), (133, 154659), (217, 94791), (399, 51553), (589, 34923), (651, 31597), (1663, 12369), (1767, 11641), (4123, 4989)]