12719820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211997}}^1$

素因数の和:212009

約数の個数: 24

約数和(自身を含む): 35615664

約数和(自身を除く): 22895844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211997, 423994, 635991, 847988, 1059985, 1271982, 2119970, 2543964, 3179955, 4239940, 6359910, 12719820]

約数ペア:

[(1, 12719820), (2, 6359910), (3, 4239940), (4, 3179955), (5, 2543964), (6, 2119970), (10, 1271982), (12, 1059985), (15, 847988), (20, 635991), (30, 423994), (60, 211997)]