2108668420

素因数分解:

$2^2\times 5^1\times {\mathrm{8623}}^1\times {\mathrm{12227}}^1$

素因数の和:20859

約数の個数: 24

約数和(自身を含む): 4429079424

約数和(自身を除く): 2320411004

約数列:

[1, 2, 4, 5, 10, 20, 8623, 12227, 17246, 24454, 34492, 43115, 48908, 61135, 86230, 122270, 172460, 244540, 105433421, 210866842, 421733684, 527167105, 1054334210, 2108668420]

約数ペア:

[(1, 2108668420), (2, 1054334210), (4, 527167105), (5, 421733684), (10, 210866842), (20, 105433421), (8623, 244540), (12227, 172460), (17246, 122270), (24454, 86230), (34492, 61135), (43115, 48908)]