20808536660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54759307}}^1$

素因数の和:54759335

約数の個数: 24

約数和(自身を含む): 45997818720

約数和(自身を除く): 25189282060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 54759307, 109518614, 219037228, 273796535, 547593070, 1040426833, 1095186140, 2080853666, 4161707332, 5202134165, 10404268330, 20808536660]

約数ペア:

[(1, 20808536660), (2, 10404268330), (4, 5202134165), (5, 4161707332), (10, 2080853666), (19, 1095186140), (20, 1040426833), (38, 547593070), (76, 273796535), (95, 219037228), (190, 109518614), (380, 54759307)]