20125087178

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27122759}}^1$

素因数の和:27122821

約数の個数: 16

約数和(自身を含む): 35151096960

約数和(自身を除く): 15026009782

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27122759, 54245518, 189859313, 379718626, 1437506227, 2875012454, 10062543589, 20125087178]

約数ペア:

[(1, 20125087178), (2, 10062543589), (7, 2875012454), (14, 1437506227), (53, 379718626), (106, 189859313), (371, 54245518), (742, 27122759)]