20761799564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{35059}}^1$

素因数の和:35430

約数の個数: 48

約数和(自身を含む): 40688672640

約数和(自身を除く): 19926873076

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 313, 473, 626, 946, 1252, 1892, 3443, 6886, 13459, 13772, 26918, 35059, 53836, 70118, 140236, 148049, 296098, 385649, 592196, 771298, 1507537, 1542596, 3015074, 6030148, 10973467, 16582907, 21946934, 33165814, 43893868, 66331628, 120708137, 241416274, 471859081, 482832548, 943718162, 1887436324, 5190449891, 10380899782, 20761799564]

約数ペア:

[(1, 20761799564), (2, 10380899782), (4, 5190449891), (11, 1887436324), (22, 943718162), (43, 482832548), (44, 471859081), (86, 241416274), (172, 120708137), (313, 66331628), (473, 43893868), (626, 33165814), (946, 21946934), (1252, 16582907), (1892, 10973467), (3443, 6030148), (6886, 3015074), (13459, 1542596), (13772, 1507537), (26918, 771298), (35059, 592196), (53836, 385649), (70118, 296098), (140236, 148049)]