20921370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697379}}^1$

素因数の和:697389

約数の個数: 16

約数和(自身を含む): 50211360

約数和(自身を除く): 29289990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697379, 1394758, 2092137, 3486895, 4184274, 6973790, 10460685, 20921370]

約数ペア:

[(1, 20921370), (2, 10460685), (3, 6973790), (5, 4184274), (6, 3486895), (10, 2092137), (15, 1394758), (30, 697379)]