20163808240

素因数分解:

$2^4\times 5^1\times {\mathrm{252047603}}^1$

素因数の和:252047616

約数の個数: 20

約数和(自身を含む): 46880854344

約数和(自身を除く): 26717046104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252047603, 504095206, 1008190412, 1260238015, 2016380824, 2520476030, 4032761648, 5040952060, 10081904120, 20163808240]

約数ペア:

[(1, 20163808240), (2, 10081904120), (4, 5040952060), (5, 4032761648), (8, 2520476030), (10, 2016380824), (16, 1260238015), (20, 1008190412), (40, 504095206), (80, 252047603)]