20658889696

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33978437}}^1$

素因数の和:33978466

約数の個数: 24

約数和(自身を含む): 42812831880

約数和(自身を除く): 22153942184

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33978437, 67956874, 135913748, 271827496, 543654992, 645590303, 1087309984, 1291180606, 2582361212, 5164722424, 10329444848, 20658889696]

約数ペア:

[(1, 20658889696), (2, 10329444848), (4, 5164722424), (8, 2582361212), (16, 1291180606), (19, 1087309984), (32, 645590303), (38, 543654992), (76, 271827496), (152, 135913748), (304, 67956874), (608, 33978437)]