20422638

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{2887}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 45745920

約数和(自身を除く): 25323282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 2887, 3537, 5774, 7074, 8661, 17322, 25983, 51966, 77949, 155898, 378197, 756394, 1134591, 2269182, 3403773, 6807546, 10211319, 20422638]

約数ペア:

[(1, 20422638), (2, 10211319), (3, 6807546), (6, 3403773), (9, 2269182), (18, 1134591), (27, 756394), (54, 378197), (131, 155898), (262, 77949), (393, 51966), (786, 25983), (1179, 17322), (2358, 8661), (2887, 7074), (3537, 5774)]