20177180541

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{35083}}^1$

素因数の和:35295

約数の個数: 64

約数和(自身を含む): 36375091200

約数和(自身を除く): 16197910659

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 179, 189, 357, 459, 537, 1071, 1253, 1611, 3043, 3213, 3759, 4833, 9129, 11277, 21301, 27387, 33831, 35083, 63903, 82161, 105249, 191709, 245581, 315747, 575127, 596411, 736743, 947241, 1789233, 2210229, 4174877, 5367699, 6279857, 6630687, 12524631, 16103097, 18839571, 37573893, 43958999, 56518713, 106757569, 112721679, 131876997, 169556139, 320272707, 395630991, 747302983, 960818121, 1186892973, 2241908949, 2882454363, 6725726847, 20177180541]

約数ペア:

[(1, 20177180541), (3, 6725726847), (7, 2882454363), (9, 2241908949), (17, 1186892973), (21, 960818121), (27, 747302983), (51, 395630991), (63, 320272707), (119, 169556139), (153, 131876997), (179, 112721679), (189, 106757569), (357, 56518713), (459, 43958999), (537, 37573893), (1071, 18839571), (1253, 16103097), (1611, 12524631), (3043, 6630687), (3213, 6279857), (3759, 5367699), (4833, 4174877), (9129, 2210229), (11277, 1789233), (21301, 947241), (27387, 736743), (33831, 596411), (35083, 575127), (63903, 315747), (82161, 245581), (105249, 191709)]