20860442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4007}}^1$

素因数の和:4165

約数の個数: 16

約数和(自身を含む): 33186240

約数和(自身を除く): 12325798

約数列:

[1, 2, 19, 38, 137, 274, 2603, 4007, 5206, 8014, 76133, 152266, 548959, 1097918, 10430221, 20860442]

約数ペア:

[(1, 20860442), (2, 10430221), (19, 1097918), (38, 548959), (137, 152266), (274, 76133), (2603, 8014), (4007, 5206)]