20629191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 31288320

約数和(自身を除く): 10659129

約数列:

[1, 3, 11, 33, 41, 79, 123, 193, 237, 451, 579, 869, 1353, 2123, 2607, 3239, 6369, 7913, 9717, 15247, 23739, 35629, 45741, 87043, 106887, 167717, 261129, 503151, 625127, 1875381, 6876397, 20629191]

約数ペア:

[(1, 20629191), (3, 6876397), (11, 1875381), (33, 625127), (41, 503151), (79, 261129), (123, 167717), (193, 106887), (237, 87043), (451, 45741), (579, 35629), (869, 23739), (1353, 15247), (2123, 9717), (2607, 7913), (3239, 6369)]