20216447274

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{2539}}^1\times {\mathrm{18691}}^1$

素因数の和:21306

約数の個数: 32

約数和(自身を含む): 41020715520

約数和(自身を除く): 20804268246

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 2539, 5078, 7617, 15234, 18691, 37382, 56073, 112146, 180269, 360538, 540807, 1081614, 1327061, 2654122, 3981183, 7962366, 47456449, 94912898, 142369347, 284738694, 3369407879, 6738815758, 10108223637, 20216447274]

約数ペア:

[(1, 20216447274), (2, 10108223637), (3, 6738815758), (6, 3369407879), (71, 284738694), (142, 142369347), (213, 94912898), (426, 47456449), (2539, 7962366), (5078, 3981183), (7617, 2654122), (15234, 1327061), (18691, 1081614), (37382, 540807), (56073, 360538), (112146, 180269)]