20168088465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{24509}}^1$

素因数の和:25002

約数の個数: 64

約数和(自身を含む): 39134430720

約数和(自身を除く): 18966342255

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 461, 595, 1383, 1785, 2305, 3227, 6915, 7837, 9681, 16135, 23511, 24509, 39185, 48405, 54859, 73527, 117555, 122545, 164577, 171563, 274295, 367635, 416653, 514689, 822885, 857815, 1249959, 2083265, 2573445, 2916571, 6249795, 8749713, 11298649, 14582855, 33895947, 43748565, 56493245, 79090543, 169479735, 192077033, 237271629, 395452715, 576231099, 960385165, 1186358145, 1344539231, 2881155495, 4033617693, 6722696155, 20168088465]

約数ペア:

[(1, 20168088465), (3, 6722696155), (5, 4033617693), (7, 2881155495), (15, 1344539231), (17, 1186358145), (21, 960385165), (35, 576231099), (51, 395452715), (85, 237271629), (105, 192077033), (119, 169479735), (255, 79090543), (357, 56493245), (461, 43748565), (595, 33895947), (1383, 14582855), (1785, 11298649), (2305, 8749713), (3227, 6249795), (6915, 2916571), (7837, 2573445), (9681, 2083265), (16135, 1249959), (23511, 857815), (24509, 822885), (39185, 514689), (48405, 416653), (54859, 367635), (73527, 274295), (117555, 171563), (122545, 164577)]