20554710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 54259200

約数和(自身を除く): 33704490

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 199, 313, 330, 398, 597, 626, 939, 995, 1194, 1565, 1878, 1990, 2189, 2985, 3130, 3443, 4378, 4695, 5970, 6567, 6886, 9390, 10329, 10945, 13134, 17215, 20658, 21890, 32835, 34430, 51645, 62287, 65670, 103290, 124574, 186861, 311435, 373722, 622870, 685157, 934305, 1370314, 1868610, 2055471, 3425785, 4110942, 6851570, 10277355, 20554710]

約数ペア:

[(1, 20554710), (2, 10277355), (3, 6851570), (5, 4110942), (6, 3425785), (10, 2055471), (11, 1868610), (15, 1370314), (22, 934305), (30, 685157), (33, 622870), (55, 373722), (66, 311435), (110, 186861), (165, 124574), (199, 103290), (313, 65670), (330, 62287), (398, 51645), (597, 34430), (626, 32835), (939, 21890), (995, 20658), (1194, 17215), (1565, 13134), (1878, 10945), (1990, 10329), (2189, 9390), (2985, 6886), (3130, 6567), (3443, 5970), (4378, 4695)]