20403749060

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1070501}}^1$

素因数の和:1071463

約数の個数: 24

約数和(自身を含む): 42892874136

約数和(自身を除く): 22489125076

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4765, 9530, 19060, 1070501, 2141002, 4282004, 5352505, 10705010, 21410020, 1020187453, 2040374906, 4080749812, 5100937265, 10201874530, 20403749060]

約数ペア:

[(1, 20403749060), (2, 10201874530), (4, 5100937265), (5, 4080749812), (10, 2040374906), (20, 1020187453), (953, 21410020), (1906, 10705010), (3812, 5352505), (4765, 4282004), (9530, 2141002), (19060, 1070501)]