20902076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{743}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 39518304

約数和(自身を除く): 18616228

約数列:

[1, 2, 4, 13, 26, 52, 541, 743, 1082, 1486, 2164, 2972, 7033, 9659, 14066, 19318, 28132, 38636, 401963, 803926, 1607852, 5225519, 10451038, 20902076]

約数ペア:

[(1, 20902076), (2, 10451038), (4, 5225519), (13, 1607852), (26, 803926), (52, 401963), (541, 38636), (743, 28132), (1082, 19318), (1486, 14066), (2164, 9659), (2972, 7033)]