20793885860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{341219}}^1$

素因数の和:341516

約数の個数: 48

約数和(自身を含む): 47809016640

約数和(自身を除く): 27015130780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277, 554, 1108, 1385, 2770, 3047, 5540, 6094, 12188, 15235, 30470, 60940, 341219, 682438, 1364876, 1706095, 3412190, 3753409, 6824380, 7506818, 15013636, 18767045, 37534090, 75068180, 94517663, 189035326, 378070652, 472588315, 945176630, 1039694293, 1890353260, 2079388586, 4158777172, 5198471465, 10396942930, 20793885860]

約数ペア:

[(1, 20793885860), (2, 10396942930), (4, 5198471465), (5, 4158777172), (10, 2079388586), (11, 1890353260), (20, 1039694293), (22, 945176630), (44, 472588315), (55, 378070652), (110, 189035326), (220, 94517663), (277, 75068180), (554, 37534090), (1108, 18767045), (1385, 15013636), (2770, 7506818), (3047, 6824380), (5540, 3753409), (6094, 3412190), (12188, 1706095), (15235, 1364876), (30470, 682438), (60940, 341219)]