20651697

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{619}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 32691360

約数和(自身を除く): 12039663

約数列:

[1, 3, 9, 11, 33, 99, 337, 619, 1011, 1857, 3033, 3707, 5571, 6809, 11121, 20427, 33363, 61281, 208603, 625809, 1877427, 2294633, 6883899, 20651697]

約数ペア:

[(1, 20651697), (3, 6883899), (9, 2294633), (11, 1877427), (33, 625809), (99, 208603), (337, 61281), (619, 33363), (1011, 20427), (1857, 11121), (3033, 6809), (3707, 5571)]