20197802045

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1\times {\mathrm{48869}}^1$

素因数の和:49636

約数の個数: 16

約数和(自身を含む): 24461585280

約数和(自身を除く): 4263783235

約数列:

[1, 5, 131, 631, 655, 3155, 48869, 82661, 244345, 413305, 6401839, 30836339, 32009195, 154181695, 4039560409, 20197802045]

約数ペア:

[(1, 20197802045), (5, 4039560409), (131, 154181695), (631, 32009195), (655, 30836339), (3155, 6401839), (48869, 413305), (82661, 244345)]