20683845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5051}}^1$

素因数の和:5082

約数の個数: 48

約数和(自身を含む): 44134272

約数和(自身を除く): 23450427

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5051, 15153, 25255, 35357, 45459, 65663, 75765, 106071, 176785, 196989, 227295, 318213, 328315, 459641, 530355, 590967, 984945, 1378923, 1591065, 2298205, 2954835, 4136769, 6894615, 20683845]

約数ペア:

[(1, 20683845), (3, 6894615), (5, 4136769), (7, 2954835), (9, 2298205), (13, 1591065), (15, 1378923), (21, 984945), (35, 590967), (39, 530355), (45, 459641), (63, 328315), (65, 318213), (91, 227295), (105, 196989), (117, 176785), (195, 106071), (273, 75765), (315, 65663), (455, 45459), (585, 35357), (819, 25255), (1365, 15153), (4095, 5051)]