20491102010

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1602119}}^1$

素因数の和:1603405

約数の個数: 16

約数和(自身を含む): 36912844800

約数和(自身を除く): 16421742790

約数列:

[1, 2, 5, 10, 1279, 2558, 6395, 12790, 1602119, 3204238, 8010595, 16021190, 2049110201, 4098220402, 10245551005, 20491102010]

約数ペア:

[(1, 20491102010), (2, 10245551005), (5, 4098220402), (10, 2049110201), (1279, 16021190), (2558, 8010595), (6395, 3204238), (12790, 1602119)]