20738820435

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1\times {\mathrm{1811}}^1$

素因数の和:3608

約数の個数: 64

約数和(自身を含む): 36488171520

約数和(自身を除く): 15749351085

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 1747, 1811, 2185, 5241, 5433, 6555, 8735, 9055, 26205, 27165, 33193, 34409, 40181, 41653, 99579, 103227, 120543, 124959, 165965, 172045, 200905, 208265, 497895, 516135, 602715, 624795, 763439, 791407, 2290317, 2374221, 3163817, 3817195, 3957035, 9491451, 11451585, 11871105, 15819085, 47457255, 60112523, 72767791, 180337569, 218303373, 300562615, 363838955, 901687845, 1091516865, 1382588029, 4147764087, 6912940145, 20738820435]

約数ペア:

[(1, 20738820435), (3, 6912940145), (5, 4147764087), (15, 1382588029), (19, 1091516865), (23, 901687845), (57, 363838955), (69, 300562615), (95, 218303373), (115, 180337569), (285, 72767791), (345, 60112523), (437, 47457255), (1311, 15819085), (1747, 11871105), (1811, 11451585), (2185, 9491451), (5241, 3957035), (5433, 3817195), (6555, 3163817), (8735, 2374221), (9055, 2290317), (26205, 791407), (27165, 763439), (33193, 624795), (34409, 602715), (40181, 516135), (41653, 497895), (99579, 208265), (103227, 200905), (120543, 172045), (124959, 165965)]