200720860

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{10531}}^1$

素因数の和:11493

約数の個数: 24

約数和(自身を含む): 421996176

約数和(自身を除く): 221275316

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4765, 9530, 10531, 19060, 21062, 42124, 52655, 105310, 210620, 10036043, 20072086, 40144172, 50180215, 100360430, 200720860]

約数ペア:

[(1, 200720860), (2, 100360430), (4, 50180215), (5, 40144172), (10, 20072086), (20, 10036043), (953, 210620), (1906, 105310), (3812, 52655), (4765, 42124), (9530, 21062), (10531, 19060)]