2020138860020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1361}}^1\times {\mathrm{351731}}^1$

素因数の和:353312

約数の個数: 48

約数和(自身を含む): 4265541193536

約数和(自身を除く): 2245402333516

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 1361, 2110, 2722, 4220, 5444, 6805, 13610, 27220, 287171, 351731, 574342, 703462, 1148684, 1406924, 1435855, 1758655, 2871710, 3517310, 5743420, 7034620, 74215241, 148430482, 296860964, 371076205, 478705891, 742152410, 957411782, 1484304820, 1914823564, 2393529455, 4787058910, 9574117820, 101006943001, 202013886002, 404027772004, 505034715005, 1010069430010, 2020138860020]

約数ペア:

[(1, 2020138860020), (2, 1010069430010), (4, 505034715005), (5, 404027772004), (10, 202013886002), (20, 101006943001), (211, 9574117820), (422, 4787058910), (844, 2393529455), (1055, 1914823564), (1361, 1484304820), (2110, 957411782), (2722, 742152410), (4220, 478705891), (5444, 371076205), (6805, 296860964), (13610, 148430482), (27220, 74215241), (287171, 7034620), (351731, 5743420), (574342, 3517310), (703462, 2871710), (1148684, 1758655), (1406924, 1435855)]