1900484420

素因数分解:

$2^2\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{89561}}^1$

素因数の和:90631

約数の個数: 24

約数和(自身を含む): 3994823448

約数和(自身を除く): 2094339028

約数列:

[1, 2, 4, 5, 10, 20, 1061, 2122, 4244, 5305, 10610, 21220, 89561, 179122, 358244, 447805, 895610, 1791220, 95024221, 190048442, 380096884, 475121105, 950242210, 1900484420]

約数ペア:

[(1, 1900484420), (2, 950242210), (4, 475121105), (5, 380096884), (10, 190048442), (20, 95024221), (1061, 1791220), (2122, 895610), (4244, 447805), (5305, 358244), (10610, 179122), (21220, 89561)]