20706540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345109}}^1$

素因数の和:345121

約数の個数: 24

約数和(自身を含む): 57978480

約数和(自身を除く): 37271940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345109, 690218, 1035327, 1380436, 1725545, 2070654, 3451090, 4141308, 5176635, 6902180, 10353270, 20706540]

約数ペア:

[(1, 20706540), (2, 10353270), (3, 6902180), (4, 5176635), (5, 4141308), (6, 3451090), (10, 2070654), (12, 1725545), (15, 1380436), (20, 1035327), (30, 690218), (60, 345109)]