20392316

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42841}}^1$

素因数の和:42869

約数の個数: 24

約数和(自身を含む): 43184736

約数和(自身を除く): 22792420

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42841, 85682, 171364, 299887, 599774, 728297, 1199548, 1456594, 2913188, 5098079, 10196158, 20392316]

約数ペア:

[(1, 20392316), (2, 10196158), (4, 5098079), (7, 2913188), (14, 1456594), (17, 1199548), (28, 728297), (34, 599774), (68, 299887), (119, 171364), (238, 85682), (476, 42841)]