20561937266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1\times {\mathrm{28759}}^1$

素因数の和:29138

約数の個数: 32

約数和(自身を含む): 33657482880

約数和(自身を除く): 13095545614

約数列:

[1, 2, 13, 26, 107, 214, 257, 514, 1391, 2782, 3341, 6682, 27499, 28759, 54998, 57518, 357487, 373867, 714974, 747734, 3077213, 6154426, 7391063, 14782126, 40003769, 80007538, 96083819, 192167638, 790843741, 1581687482, 10280968633, 20561937266]

約数ペア:

[(1, 20561937266), (2, 10280968633), (13, 1581687482), (26, 790843741), (107, 192167638), (214, 96083819), (257, 80007538), (514, 40003769), (1391, 14782126), (2782, 7391063), (3341, 6154426), (6682, 3077213), (27499, 747734), (28759, 714974), (54998, 373867), (57518, 357487)]