20315864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133657}}^1$

素因数の和:133682

約数の個数: 16

約数和(自身を含む): 40097400

約数和(自身を除く): 19781536

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133657, 267314, 534628, 1069256, 2539483, 5078966, 10157932, 20315864]

約数ペア:

[(1, 20315864), (2, 10157932), (4, 5078966), (8, 2539483), (19, 1069256), (38, 534628), (76, 267314), (152, 133657)]