20239540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1913}}^1$

素因数の和:1968

約数の個数: 36

約数和(自身を含む): 44454564

約数和(自身を除く): 24215024

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1913, 2116, 2645, 3826, 5290, 7652, 9565, 10580, 19130, 38260, 43999, 87998, 175996, 219995, 439990, 879980, 1011977, 2023954, 4047908, 5059885, 10119770, 20239540]

約数ペア:

[(1, 20239540), (2, 10119770), (4, 5059885), (5, 4047908), (10, 2023954), (20, 1011977), (23, 879980), (46, 439990), (92, 219995), (115, 175996), (230, 87998), (460, 43999), (529, 38260), (1058, 19130), (1913, 10580), (2116, 9565), (2645, 7652), (3826, 5290)]