20149487897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{128717}}^1$

素因数の和:128861

約数の個数: 32

約数和(自身を含む): 26690964480

約数和(自身を除く): 6541476583

約数列:

[1, 7, 11, 19, 77, 107, 133, 209, 749, 1177, 1463, 2033, 8239, 14231, 22363, 128717, 156541, 901019, 1415887, 2445623, 9911209, 13772719, 17119361, 26901853, 96409033, 151499909, 188312971, 261681661, 1060499363, 1831771627, 2878498271, 20149487897]

約数ペア:

[(1, 20149487897), (7, 2878498271), (11, 1831771627), (19, 1060499363), (77, 261681661), (107, 188312971), (133, 151499909), (209, 96409033), (749, 26901853), (1177, 17119361), (1463, 13772719), (2033, 9911209), (8239, 2445623), (14231, 1415887), (22363, 901019), (128717, 156541)]