20194755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4691}}^1$

素因数の和:4747

約数の個数: 32

約数和(自身を含む): 37836288

約数和(自身を除く): 17641533

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4691, 14073, 23455, 32837, 70365, 98511, 164185, 192331, 492555, 576993, 961655, 1346317, 2884965, 4038951, 6731585, 20194755]

約数ペア:

[(1, 20194755), (3, 6731585), (5, 4038951), (7, 2884965), (15, 1346317), (21, 961655), (35, 576993), (41, 492555), (105, 192331), (123, 164185), (205, 98511), (287, 70365), (615, 32837), (861, 23455), (1435, 14073), (4305, 4691)]