202019920

素因数分解:

$2^4\times 5^1\times {\mathrm{2525249}}^1$

素因数の和:2525262

約数の個数: 20

約数和(自身を含む): 469696500

約数和(自身を除く): 267676580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2525249, 5050498, 10100996, 12626245, 20201992, 25252490, 40403984, 50504980, 101009960, 202019920]

約数ペア:

[(1, 202019920), (2, 101009960), (4, 50504980), (5, 40403984), (8, 25252490), (10, 20201992), (16, 12626245), (20, 10100996), (40, 5050498), (80, 2525249)]