20057985

素因数分解:

$3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1657}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 34917480

約数和(自身を除く): 14859495

約数列:

[1, 3, 5, 9, 15, 45, 269, 807, 1345, 1657, 2421, 4035, 4971, 8285, 12105, 14913, 24855, 74565, 445733, 1337199, 2228665, 4011597, 6685995, 20057985]

約数ペア:

[(1, 20057985), (3, 6685995), (5, 4011597), (9, 2228665), (15, 1337199), (45, 445733), (269, 74565), (807, 24855), (1345, 14913), (1657, 12105), (2421, 8285), (4035, 4971)]