20254280

素因数分解:

$2^3\times 5^1\times {\mathrm{506357}}^1$

素因数の和:506368

約数の個数: 16

約数和(自身を含む): 45572220

約数和(自身を除く): 25317940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506357, 1012714, 2025428, 2531785, 4050856, 5063570, 10127140, 20254280]

約数ペア:

[(1, 20254280), (2, 10127140), (4, 5063570), (5, 4050856), (8, 2531785), (10, 2025428), (20, 1012714), (40, 506357)]