20262578

素因数分解:

$2^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1039}}^1$

素因数の和:1254

約数の個数: 24

約数和(自身を含む): 35568000

約数和(自身を除く): 15305422

約数列:

[1, 2, 7, 14, 49, 98, 199, 398, 1039, 1393, 2078, 2786, 7273, 9751, 14546, 19502, 50911, 101822, 206761, 413522, 1447327, 2894654, 10131289, 20262578]

約数ペア:

[(1, 20262578), (2, 10131289), (7, 2894654), (14, 1447327), (49, 413522), (98, 206761), (199, 101822), (398, 50911), (1039, 19502), (1393, 14546), (2078, 9751), (2786, 7273)]