20649339

素因数分解:

$3^2\times {\mathrm{17}}^3\times {\mathrm{467}}^1$

素因数の和:524

約数の個数: 24

約数和(自身を含む): 31758480

約数和(自身を除く): 11109141

約数列:

[1, 3, 9, 17, 51, 153, 289, 467, 867, 1401, 2601, 4203, 4913, 7939, 14739, 23817, 44217, 71451, 134963, 404889, 1214667, 2294371, 6883113, 20649339]

約数ペア:

[(1, 20649339), (3, 6883113), (9, 2294371), (17, 1214667), (51, 404889), (153, 134963), (289, 71451), (467, 44217), (867, 23817), (1401, 14739), (2601, 7939), (4203, 4913)]