20695493

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 26458488

約数和(自身を除く): 5762995

約数列:

[1, 7, 13, 49, 53, 91, 371, 613, 637, 689, 2597, 4291, 4823, 7969, 30037, 32489, 33761, 55783, 227423, 390481, 422357, 1591961, 2956499, 20695493]

約数ペア:

[(1, 20695493), (7, 2956499), (13, 1591961), (49, 422357), (53, 390481), (91, 227423), (371, 55783), (613, 33761), (637, 32489), (689, 30037), (2597, 7969), (4291, 4823)]