20581655811

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1361}}^1\times {\mathrm{1439}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 28618997760

約数和(自身を除く): 8037341949

約数列:

[1, 3, 31, 93, 113, 339, 1361, 1439, 3503, 4083, 4317, 10509, 42191, 44609, 126573, 133827, 153793, 162607, 461379, 487821, 1958479, 4767583, 5040817, 5875437, 14302749, 15122451, 60712849, 182138547, 221308127, 663924381, 6860551937, 20581655811]

約数ペア:

[(1, 20581655811), (3, 6860551937), (31, 663924381), (93, 221308127), (113, 182138547), (339, 60712849), (1361, 15122451), (1439, 14302749), (3503, 5875437), (4083, 5040817), (4317, 4767583), (10509, 1958479), (42191, 487821), (44609, 461379), (126573, 162607), (133827, 153793)]