20951548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{5051}}^1$

素因数の和:5133

約数の個数: 24

約数和(自身を含む): 39466224

約数和(自身を除く): 18514676

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 5051, 10102, 20204, 85867, 171734, 308111, 343468, 616222, 1232444, 5237887, 10475774, 20951548]

約数ペア:

[(1, 20951548), (2, 10475774), (4, 5237887), (17, 1232444), (34, 616222), (61, 343468), (68, 308111), (122, 171734), (244, 85867), (1037, 20204), (2074, 10102), (4148, 5051)]