20794995

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 43323840

約数和(自身を除く): 22528845

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 41, 45, 51, 65, 85, 117, 123, 135, 153, 195, 205, 221, 255, 289, 351, 369, 459, 533, 585, 615, 663, 697, 765, 867, 1105, 1107, 1445, 1599, 1755, 1845, 1989, 2091, 2295, 2601, 2665, 3315, 3485, 3757, 4335, 4797, 5535, 5967, 6273, 7803, 7995, 9061, 9945, 10455, 11271, 11849, 13005, 14391, 18785, 18819, 23985, 27183, 29835, 31365, 33813, 35547, 39015, 45305, 56355, 59245, 71955, 81549, 94095, 101439, 106641, 135915, 154037, 169065, 177735, 244647, 319923, 407745, 462111, 507195, 533205, 770185, 1223235, 1386333, 1599615, 2310555, 4158999, 6931665, 20794995]

約数ペア:

[(1, 20794995), (3, 6931665), (5, 4158999), (9, 2310555), (13, 1599615), (15, 1386333), (17, 1223235), (27, 770185), (39, 533205), (41, 507195), (45, 462111), (51, 407745), (65, 319923), (85, 244647), (117, 177735), (123, 169065), (135, 154037), (153, 135915), (195, 106641), (205, 101439), (221, 94095), (255, 81549), (289, 71955), (351, 59245), (369, 56355), (459, 45305), (533, 39015), (585, 35547), (615, 33813), (663, 31365), (697, 29835), (765, 27183), (867, 23985), (1105, 18819), (1107, 18785), (1445, 14391), (1599, 13005), (1755, 11849), (1845, 11271), (1989, 10455), (2091, 9945), (2295, 9061), (2601, 7995), (2665, 7803), (3315, 6273), (3485, 5967), (3757, 5535), (4335, 4797)]