20498104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2137}}^1$

素因数の和:2263

約数の個数: 32

約数和(自身を含む): 42332400

約数和(自身を除く): 21834296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2137, 2398, 4274, 4796, 8548, 9592, 17096, 23507, 47014, 94028, 188056, 232933, 465866, 931732, 1863464, 2562263, 5124526, 10249052, 20498104]

約数ペア:

[(1, 20498104), (2, 10249052), (4, 5124526), (8, 2562263), (11, 1863464), (22, 931732), (44, 465866), (88, 232933), (109, 188056), (218, 94028), (436, 47014), (872, 23507), (1199, 17096), (2137, 9592), (2398, 8548), (4274, 4796)]