20974960

素因数分解:

$2^4\times 5^1\times {\mathrm{262187}}^1$

素因数の和:262200

約数の個数: 20

約数和(自身を含む): 48766968

約数和(自身を除く): 27792008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 262187, 524374, 1048748, 1310935, 2097496, 2621870, 4194992, 5243740, 10487480, 20974960]

約数ペア:

[(1, 20974960), (2, 10487480), (4, 5243740), (5, 4194992), (8, 2621870), (10, 2097496), (16, 1310935), (20, 1048748), (40, 524374), (80, 262187)]