20083545

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2917}}^1$

素因数の和:2951

約数の個数: 40

約数和(自身を含む): 38132424

約数和(自身を除く): 18048879

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2917, 6885, 8751, 14585, 26253, 43755, 49589, 78759, 131265, 148767, 236277, 247945, 393795, 446301, 743835, 1181385, 1338903, 2231505, 4016709, 6694515, 20083545]

約数ペア:

[(1, 20083545), (3, 6694515), (5, 4016709), (9, 2231505), (15, 1338903), (17, 1181385), (27, 743835), (45, 446301), (51, 393795), (81, 247945), (85, 236277), (135, 148767), (153, 131265), (255, 78759), (405, 49589), (459, 43755), (765, 26253), (1377, 14585), (2295, 8751), (2917, 6885)]