20423807815

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{11083}}^1$

素因数の和:11367

約数の個数: 32

約数和(自身を含む): 25856755200

約数和(自身を除く): 5432947385

約数列:

[1, 5, 29, 71, 145, 179, 355, 895, 2059, 5191, 10295, 11083, 12709, 25955, 55415, 63545, 321407, 368561, 786893, 1607035, 1842805, 1983857, 3934465, 9919285, 22819897, 57531853, 114099485, 140853847, 287659265, 704269235, 4084761563, 20423807815]

約数ペア:

[(1, 20423807815), (5, 4084761563), (29, 704269235), (71, 287659265), (145, 140853847), (179, 114099485), (355, 57531853), (895, 22819897), (2059, 9919285), (5191, 3934465), (10295, 1983857), (11083, 1842805), (12709, 1607035), (25955, 786893), (55415, 368561), (63545, 321407)]