20947060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61609}}^1$

素因数の和:61635

約数の個数: 24

約数和(自身を含む): 46577160

約数和(自身を除く): 25630100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61609, 123218, 246436, 308045, 616090, 1047353, 1232180, 2094706, 4189412, 5236765, 10473530, 20947060]

約数ペア:

[(1, 20947060), (2, 10473530), (4, 5236765), (5, 4189412), (10, 2094706), (17, 1232180), (20, 1047353), (34, 616090), (68, 308045), (85, 246436), (170, 123218), (340, 61609)]