20420686

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6491}}^1$

素因数の和:6528

約数の個数: 24

約数和(自身を含む): 36264312

約数和(自身を除く): 15843626

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 6491, 12982, 71401, 84383, 142802, 168766, 785411, 928213, 1570822, 1856426, 10210343, 20420686]

約数ペア:

[(1, 20420686), (2, 10210343), (11, 1856426), (13, 1570822), (22, 928213), (26, 785411), (121, 168766), (143, 142802), (242, 84383), (286, 71401), (1573, 12982), (3146, 6491)]