20797600

素因数分解:

$2^5\times 5^2\times {\mathrm{25997}}^1$

素因数の和:26017

約数の個数: 36

約数和(自身を含む): 50774094

約数和(自身を除く): 29976494

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25997, 51994, 103988, 129985, 207976, 259970, 415952, 519940, 649925, 831904, 1039880, 1299850, 2079760, 2599700, 4159520, 5199400, 10398800, 20797600]

約数ペア:

[(1, 20797600), (2, 10398800), (4, 5199400), (5, 4159520), (8, 2599700), (10, 2079760), (16, 1299850), (20, 1039880), (25, 831904), (32, 649925), (40, 519940), (50, 415952), (80, 259970), (100, 207976), (160, 129985), (200, 103988), (400, 51994), (800, 25997)]