2021136620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1041823}}^1$

素因数の和:1041929

約数の個数: 24

約数和(自身を含む): 4288147584

約数和(自身を除く): 2267010964

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 1041823, 2083646, 4167292, 5209115, 10418230, 20836460, 101056831, 202113662, 404227324, 505284155, 1010568310, 2021136620]

約数ペア:

[(1, 2021136620), (2, 1010568310), (4, 505284155), (5, 404227324), (10, 202113662), (20, 101056831), (97, 20836460), (194, 10418230), (388, 5209115), (485, 4167292), (970, 2083646), (1940, 1041823)]