20198046

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 25307106

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 121, 129, 242, 258, 363, 473, 647, 726, 946, 1294, 1419, 1941, 2838, 3882, 5203, 7117, 10406, 14234, 15609, 21351, 27821, 31218, 42702, 55642, 78287, 83463, 156574, 166926, 234861, 306031, 469722, 612062, 918093, 1836186, 3366341, 6732682, 10099023, 20198046]

約数ペア:

[(1, 20198046), (2, 10099023), (3, 6732682), (6, 3366341), (11, 1836186), (22, 918093), (33, 612062), (43, 469722), (66, 306031), (86, 234861), (121, 166926), (129, 156574), (242, 83463), (258, 78287), (363, 55642), (473, 42702), (647, 31218), (726, 27821), (946, 21351), (1294, 15609), (1419, 14234), (1941, 10406), (2838, 7117), (3882, 5203)]