20512456899

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{284741}}^1$

素因数の和:284851

約数の個数: 32

約数和(自身を含む): 31162164480

約数和(自身を除く): 10649707581

約数列:

[1, 3, 11, 33, 37, 59, 111, 177, 407, 649, 1221, 1947, 2183, 6549, 24013, 72039, 284741, 854223, 3132151, 9396453, 10535417, 16799719, 31606251, 50399157, 115889587, 184796909, 347668761, 554390727, 621589603, 1864768809, 6837485633, 20512456899]

約数ペア:

[(1, 20512456899), (3, 6837485633), (11, 1864768809), (33, 621589603), (37, 554390727), (59, 347668761), (111, 184796909), (177, 115889587), (407, 50399157), (649, 31606251), (1221, 16799719), (1947, 10535417), (2183, 9396453), (6549, 3132151), (24013, 854223), (72039, 284741)]