20201477978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{323441}}^1$

素因数の和:323638

約数の個数: 32

約数和(自身を含む): 35211189888

約数和(自身を除く): 15009711910

約数列:

[1, 2, 11, 17, 22, 34, 167, 187, 334, 374, 1837, 2839, 3674, 5678, 31229, 62458, 323441, 646882, 3557851, 5498497, 7115702, 10996994, 54014647, 60483467, 108029294, 120966934, 594161117, 918248999, 1188322234, 1836497998, 10100738989, 20201477978]

約数ペア:

[(1, 20201477978), (2, 10100738989), (11, 1836497998), (17, 1188322234), (22, 918248999), (34, 594161117), (167, 120966934), (187, 108029294), (334, 60483467), (374, 54014647), (1837, 10996994), (2839, 7115702), (3674, 5498497), (5678, 3557851), (31229, 646882), (62458, 323441)]