20656912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41647}}^1$

素因数の和:41686

約数の個数: 20

約数和(自身を含む): 41314816

約数和(自身を除く): 20657904

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41647, 83294, 166588, 333176, 666352, 1291057, 2582114, 5164228, 10328456, 20656912]

約数ペア:

[(1, 20656912), (2, 10328456), (4, 5164228), (8, 2582114), (16, 1291057), (31, 666352), (62, 333176), (124, 166588), (248, 83294), (496, 41647)]