20111970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{670399}}^1$

素因数の和:670409

約数の個数: 16

約数和(自身を含む): 48268800

約数和(自身を除く): 28156830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 670399, 1340798, 2011197, 3351995, 4022394, 6703990, 10055985, 20111970]

約数ペア:

[(1, 20111970), (2, 10055985), (3, 6703990), (5, 4022394), (6, 3351995), (10, 2011197), (15, 1340798), (30, 670399)]