20700008

素因数分解:

$2^3\times 7^1\times {\mathrm{373}}^1\times {\mathrm{991}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 44520960

約数和(自身を除く): 23820952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373, 746, 991, 1492, 1982, 2611, 2984, 3964, 5222, 6937, 7928, 10444, 13874, 20888, 27748, 55496, 369643, 739286, 1478572, 2587501, 2957144, 5175002, 10350004, 20700008]

約数ペア:

[(1, 20700008), (2, 10350004), (4, 5175002), (7, 2957144), (8, 2587501), (14, 1478572), (28, 739286), (56, 369643), (373, 55496), (746, 27748), (991, 20888), (1492, 13874), (1982, 10444), (2611, 7928), (2984, 6937), (3964, 5222)]