20299700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11941}}^1$

素因数の和:11972

約数の個数: 36

約数和(自身を含む): 46645452

約数和(自身を除く): 26345752

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11941, 23882, 47764, 59705, 119410, 202997, 238820, 298525, 405994, 597050, 811988, 1014985, 1194100, 2029970, 4059940, 5074925, 10149850, 20299700]

約数ペア:

[(1, 20299700), (2, 10149850), (4, 5074925), (5, 4059940), (10, 2029970), (17, 1194100), (20, 1014985), (25, 811988), (34, 597050), (50, 405994), (68, 298525), (85, 238820), (100, 202997), (170, 119410), (340, 59705), (425, 47764), (850, 23882), (1700, 11941)]