2016571420

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{233941}}^1$

素因数の和:234381

約数の個数: 24

約数和(自身を含む): 4244643648

約数和(自身を除く): 2228072228

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 233941, 467882, 935764, 1169705, 2339410, 4678820, 100828571, 201657142, 403314284, 504142855, 1008285710, 2016571420]

約数ペア:

[(1, 2016571420), (2, 1008285710), (4, 504142855), (5, 403314284), (10, 201657142), (20, 100828571), (431, 4678820), (862, 2339410), (1724, 1169705), (2155, 935764), (4310, 467882), (8620, 233941)]