20411970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680399}}^1$

素因数の和:680409

約数の個数: 16

約数和(自身を含む): 48988800

約数和(自身を除く): 28576830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680399, 1360798, 2041197, 3401995, 4082394, 6803990, 10205985, 20411970]

約数ペア:

[(1, 20411970), (2, 10205985), (3, 6803990), (5, 4082394), (6, 3401995), (10, 2041197), (15, 1360798), (30, 680399)]