20064772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 43590400

約数和(自身を除く): 23525628

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 199, 277, 364, 398, 554, 796, 1108, 1393, 1939, 2587, 2786, 3601, 3878, 5174, 5572, 7202, 7756, 10348, 14404, 18109, 25207, 36218, 50414, 55123, 72436, 100828, 110246, 220492, 385861, 716599, 771722, 1433198, 1543444, 2866396, 5016193, 10032386, 20064772]

約数ペア:

[(1, 20064772), (2, 10032386), (4, 5016193), (7, 2866396), (13, 1543444), (14, 1433198), (26, 771722), (28, 716599), (52, 385861), (91, 220492), (182, 110246), (199, 100828), (277, 72436), (364, 55123), (398, 50414), (554, 36218), (796, 25207), (1108, 18109), (1393, 14404), (1939, 10348), (2587, 7756), (2786, 7202), (3601, 5572), (3878, 5174)]