20651886

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39563}}^1$

素因数の和:39600

約数の個数: 24

約数和(自身を含む): 46289880

約数和(自身を除く): 25637994

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39563, 79126, 118689, 237378, 356067, 712134, 1147327, 2294654, 3441981, 6883962, 10325943, 20651886]

約数ペア:

[(1, 20651886), (2, 10325943), (3, 6883962), (6, 3441981), (9, 2294654), (18, 1147327), (29, 712134), (58, 356067), (87, 237378), (174, 118689), (261, 79126), (522, 39563)]