20199641763

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1543961}}^1$

素因数の和:1544067

約数の個数: 24

約数和(自身を含む): 31682100240

約数和(自身を除く): 11482458477

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 13083, 1543961, 4631883, 10807727, 32423181, 75654089, 137412529, 226962267, 412237587, 961887703, 2885663109, 6733213921, 20199641763]

約数ペア:

[(1, 20199641763), (3, 6733213921), (7, 2885663109), (21, 961887703), (49, 412237587), (89, 226962267), (147, 137412529), (267, 75654089), (623, 32423181), (1869, 10807727), (4361, 4631883), (13083, 1543961)]