20531370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{684379}}^1$

素因数の和:684389

約数の個数: 16

約数和(自身を含む): 49275360

約数和(自身を除く): 28743990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 684379, 1368758, 2053137, 3421895, 4106274, 6843790, 10265685, 20531370]

約数ペア:

[(1, 20531370), (2, 10265685), (3, 6843790), (5, 4106274), (6, 3421895), (10, 2053137), (15, 1368758), (30, 684379)]