20795988

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13229}}^1$

素因数の和:13367

約数の個数: 24

約数和(自身を含む): 48898080

約数和(自身を除く): 28102092

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13229, 26458, 39687, 52916, 79374, 158748, 1732999, 3465998, 5198997, 6931996, 10397994, 20795988]

約数ペア:

[(1, 20795988), (2, 10397994), (3, 6931996), (4, 5198997), (6, 3465998), (12, 1732999), (131, 158748), (262, 79374), (393, 52916), (524, 39687), (786, 26458), (1572, 13229)]