20253880

素因数分解:

$2^3\times 5^1\times {\mathrm{506347}}^1$

素因数の和:506358

約数の個数: 16

約数和(自身を含む): 45571320

約数和(自身を除く): 25317440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506347, 1012694, 2025388, 2531735, 4050776, 5063470, 10126940, 20253880]

約数ペア:

[(1, 20253880), (2, 10126940), (4, 5063470), (5, 4050776), (8, 2531735), (10, 2025388), (20, 1012694), (40, 506347)]