20925742

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8431}}^1$

素因数の和:8523

約数の個数: 16

約数和(自身を含む): 33694272

約数和(自身を除く): 12768530

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8431, 16862, 143327, 286654, 615463, 1230926, 10462871, 20925742]

約数ペア:

[(1, 20925742), (2, 10462871), (17, 1230926), (34, 615463), (73, 286654), (146, 143327), (1241, 16862), (2482, 8431)]