20797643061

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1\times {\mathrm{4139}}^1$

素因数の和:4866

約数の個数: 48

約数和(自身を含む): 32893922880

約数和(自身を除く): 12096279819

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 641, 871, 1923, 2613, 4139, 5769, 7839, 8333, 12417, 24999, 37251, 42947, 53807, 74997, 128841, 161421, 277313, 386523, 484263, 558311, 831939, 1674933, 2495817, 2653099, 3605069, 5024799, 7959297, 10815207, 23877891, 32445621, 34490287, 103470861, 177757633, 310412583, 533272899, 1599818697, 2310849229, 6932547687, 20797643061]

約数ペア:

[(1, 20797643061), (3, 6932547687), (9, 2310849229), (13, 1599818697), (39, 533272899), (67, 310412583), (117, 177757633), (201, 103470861), (603, 34490287), (641, 32445621), (871, 23877891), (1923, 10815207), (2613, 7959297), (4139, 5024799), (5769, 3605069), (7839, 2653099), (8333, 2495817), (12417, 1674933), (24999, 831939), (37251, 558311), (42947, 484263), (53807, 386523), (74997, 277313), (128841, 161421)]