220791856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{726289}}^1$

素因数の和:726316

約数の個数: 20

約数和(自身を含む): 450299800

約数和(自身を除く): 229507944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 726289, 1452578, 2905156, 5810312, 11620624, 13799491, 27598982, 55197964, 110395928, 220791856]

約数ペア:

[(1, 220791856), (2, 110395928), (4, 55197964), (8, 27598982), (16, 13799491), (19, 11620624), (38, 5810312), (76, 2905156), (152, 1452578), (304, 726289)]