2051201980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{9127}}^1$

素因数の和:9814

約数の個数: 48

約数和(自身を含む): 4568308416

約数和(自身を除く): 2517106436

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 661, 1322, 2644, 3305, 6610, 9127, 11237, 13220, 18254, 22474, 36508, 44948, 45635, 56185, 91270, 112370, 155159, 182540, 224740, 310318, 620636, 775795, 1551590, 3103180, 6032947, 12065894, 24131788, 30164735, 60329470, 102560099, 120658940, 205120198, 410240396, 512800495, 1025600990, 2051201980]

約数ペア:

[(1, 2051201980), (2, 1025600990), (4, 512800495), (5, 410240396), (10, 205120198), (17, 120658940), (20, 102560099), (34, 60329470), (68, 30164735), (85, 24131788), (170, 12065894), (340, 6032947), (661, 3103180), (1322, 1551590), (2644, 775795), (3305, 620636), (6610, 310318), (9127, 224740), (11237, 182540), (13220, 155159), (18254, 112370), (22474, 91270), (36508, 56185), (44948, 45635)]