20512990388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1879}}^1\times {\mathrm{5279}}^1$

素因数の和:7220

約数の個数: 48

約数和(自身を含む): 40023244800

約数和(自身を除く): 19510254412

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 1879, 2068, 3758, 5279, 7516, 10558, 20669, 21116, 41338, 58069, 82676, 88313, 116138, 176626, 232276, 248113, 353252, 496226, 971443, 992452, 1942886, 2729243, 3885772, 5458486, 9919241, 10916972, 19838482, 39676964, 109111651, 218223302, 436446604, 466204327, 932408654, 1864817308, 5128247597, 10256495194, 20512990388]

約数ペア:

[(1, 20512990388), (2, 10256495194), (4, 5128247597), (11, 1864817308), (22, 932408654), (44, 466204327), (47, 436446604), (94, 218223302), (188, 109111651), (517, 39676964), (1034, 19838482), (1879, 10916972), (2068, 9919241), (3758, 5458486), (5279, 3885772), (7516, 2729243), (10558, 1942886), (20669, 992452), (21116, 971443), (41338, 496226), (58069, 353252), (82676, 248113), (88313, 232276), (116138, 176626)]