20842085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22291}}^1$

素因数の和:22324

約数の個数: 16

約数和(自身を含む): 28890432

約数和(自身を除く): 8048347

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22291, 111455, 245201, 378947, 1226005, 1894735, 4168417, 20842085]

約数ペア:

[(1, 20842085), (5, 4168417), (11, 1894735), (17, 1226005), (55, 378947), (85, 245201), (187, 111455), (935, 22291)]