20688047316

素因数分解:

$2^2\times 3^2\times {\mathrm{821}}^1\times {\mathrm{699961}}^1$

素因数の和:700792

約数の個数: 36

約数和(自身を含む): 52358557524

約数和(自身を除く): 31670510208

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 821, 1642, 2463, 3284, 4926, 7389, 9852, 14778, 29556, 699961, 1399922, 2099883, 2799844, 4199766, 6299649, 8399532, 12599298, 25198596, 574667981, 1149335962, 1724003943, 2298671924, 3448007886, 5172011829, 6896015772, 10344023658, 20688047316]

約数ペア:

[(1, 20688047316), (2, 10344023658), (3, 6896015772), (4, 5172011829), (6, 3448007886), (9, 2298671924), (12, 1724003943), (18, 1149335962), (36, 574667981), (821, 25198596), (1642, 12599298), (2463, 8399532), (3284, 6299649), (4926, 4199766), (7389, 2799844), (9852, 2099883), (14778, 1399922), (29556, 699961)]