16920778

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7507}}^1$

素因数の和:7546

約数の個数: 24

約数和(自身を含む): 30812832

約数和(自身を除く): 13892054

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 7507, 15014, 52549, 105098, 172661, 345322, 367843, 735686, 1208627, 2417254, 8460389, 16920778]

約数ペア:

[(1, 16920778), (2, 8460389), (7, 2417254), (14, 1208627), (23, 735686), (46, 367843), (49, 345322), (98, 172661), (161, 105098), (322, 52549), (1127, 15014), (2254, 7507)]