20159940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{335999}}^1$

素因数の和:336011

約数の個数: 24

約数和(自身を含む): 56448000

約数和(自身を除く): 36288060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 335999, 671998, 1007997, 1343996, 1679995, 2015994, 3359990, 4031988, 5039985, 6719980, 10079970, 20159940]

約数ペア:

[(1, 20159940), (2, 10079970), (3, 6719980), (4, 5039985), (5, 4031988), (6, 3359990), (10, 2015994), (12, 1679995), (15, 1343996), (20, 1007997), (30, 671998), (60, 335999)]