20187600255

素因数分解:

$3^2\times 5^1\times {\mathrm{15919}}^1\times {\mathrm{28181}}^1$

素因数の和:44111

約数の個数: 24

約数和(自身を含む): 34995280320

約数和(自身を除く): 14807680065

約数列:

[1, 3, 5, 9, 15, 45, 15919, 28181, 47757, 79595, 84543, 140905, 143271, 238785, 253629, 422715, 716355, 1268145, 448613339, 1345840017, 2243066695, 4037520051, 6729200085, 20187600255]

約数ペア:

[(1, 20187600255), (3, 6729200085), (5, 4037520051), (9, 2243066695), (15, 1345840017), (45, 448613339), (15919, 1268145), (28181, 716355), (47757, 422715), (79595, 253629), (84543, 238785), (140905, 143271)]