20502938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8053}}^1$

素因数の和:8141

約数の個数: 16

約数和(自身を含む): 32860320

約数和(自身を除く): 12357382

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8053, 16106, 153007, 306014, 539551, 1079102, 10251469, 20502938]

約数ペア:

[(1, 20502938), (2, 10251469), (19, 1079102), (38, 539551), (67, 306014), (134, 153007), (1273, 16106), (2546, 8053)]