20546638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77243}}^1$

素因数の和:77271

約数の個数: 16

約数和(自身を含む): 37077120

約数和(自身を除く): 16530482

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77243, 154486, 540701, 1081402, 1467617, 2935234, 10273319, 20546638]

約数ペア:

[(1, 20546638), (2, 10273319), (7, 2935234), (14, 1467617), (19, 1081402), (38, 540701), (133, 154486), (266, 77243)]