20798479988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36360979}}^1$

素因数の和:36361007

約数の個数: 24

約数和(自身を含む): 42760512480

約数和(自身を除く): 21962032492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36360979, 72721958, 145443916, 399970769, 472692727, 799941538, 945385454, 1599883076, 1890770908, 5199619997, 10399239994, 20798479988]

約数ペア:

[(1, 20798479988), (2, 10399239994), (4, 5199619997), (11, 1890770908), (13, 1599883076), (22, 945385454), (26, 799941538), (44, 472692727), (52, 399970769), (143, 145443916), (286, 72721958), (572, 36360979)]