1515990020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{913247}}^1$

素因数の和:913339

約数の個数: 24

約数和(自身を含む): 3221938944

約数和(自身を除く): 1705948924

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 913247, 1826494, 3652988, 4566235, 9132470, 18264940, 75799501, 151599002, 303198004, 378997505, 757995010, 1515990020]

約数ペア:

[(1, 1515990020), (2, 757995010), (4, 378997505), (5, 303198004), (10, 151599002), (20, 75799501), (83, 18264940), (166, 9132470), (332, 4566235), (415, 3652988), (830, 1826494), (1660, 913247)]