20144578220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2094031}}^1$

素因数の和:2094090

約数の個数: 48

約数和(自身を含む): 46789051008

約数和(自身を除く): 26644472788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 2094031, 4188062, 8376124, 10470155, 20940310, 27222403, 41880620, 54444806, 77479147, 108889612, 136112015, 154958294, 272224030, 309916588, 387395735, 544448060, 774791470, 1007228911, 1549582940, 2014457822, 4028915644, 5036144555, 10072289110, 20144578220]

約数ペア:

[(1, 20144578220), (2, 10072289110), (4, 5036144555), (5, 4028915644), (10, 2014457822), (13, 1549582940), (20, 1007228911), (26, 774791470), (37, 544448060), (52, 387395735), (65, 309916588), (74, 272224030), (130, 154958294), (148, 136112015), (185, 108889612), (260, 77479147), (370, 54444806), (481, 41880620), (740, 27222403), (962, 20940310), (1924, 10470155), (2405, 8376124), (4810, 4188062), (9620, 2094031)]