20278218

素因数分解:

$2^1\times 3^1\times {\mathrm{367}}^1\times {\mathrm{9209}}^1$

素因数の和:9581

約数の個数: 16

約数和(自身を含む): 40671360

約数和(自身を除く): 20393142

約数列:

[1, 2, 3, 6, 367, 734, 1101, 2202, 9209, 18418, 27627, 55254, 3379703, 6759406, 10139109, 20278218]

約数ペア:

[(1, 20278218), (2, 10139109), (3, 6759406), (6, 3379703), (367, 55254), (734, 27627), (1101, 18418), (2202, 9209)]