20870056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137303}}^1$

素因数の和:137328

約数の個数: 16

約数和(自身を含む): 41191200

約数和(自身を除く): 20321144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137303, 274606, 549212, 1098424, 2608757, 5217514, 10435028, 20870056]

約数ペア:

[(1, 20870056), (2, 10435028), (4, 5217514), (8, 2608757), (19, 1098424), (38, 549212), (76, 274606), (152, 137303)]