20718346

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 35171136

約数和(自身を除く): 14452790

約数列:

[1, 2, 11, 22, 43, 86, 121, 181, 242, 362, 473, 946, 1331, 1991, 2662, 3982, 5203, 7783, 10406, 15566, 21901, 43802, 57233, 85613, 114466, 171226, 240911, 481822, 941743, 1883486, 10359173, 20718346]

約数ペア:

[(1, 20718346), (2, 10359173), (11, 1883486), (22, 941743), (43, 481822), (86, 240911), (121, 171226), (181, 114466), (242, 85613), (362, 57233), (473, 43802), (946, 21901), (1331, 15566), (1991, 10406), (2662, 7783), (3982, 5203)]