20212561168

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12507773}}^1$

素因数の和:12507882

約数の個数: 20

約数和(自身を含む): 39549581388

約数和(自身を除く): 19337020220

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12507773, 25015546, 50031092, 100062184, 200124368, 1263285073, 2526570146, 5053140292, 10106280584, 20212561168]

約数ペア:

[(1, 20212561168), (2, 10106280584), (4, 5053140292), (8, 2526570146), (16, 1263285073), (101, 200124368), (202, 100062184), (404, 50031092), (808, 25015546), (1616, 12507773)]