20621270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{108533}}^1$

素因数の和:108559

約数の個数: 16

約数和(自身を含む): 39072240

約数和(自身を除く): 18450970

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 108533, 217066, 542665, 1085330, 2062127, 4124254, 10310635, 20621270]

約数ペア:

[(1, 20621270), (2, 10310635), (5, 4124254), (10, 2062127), (19, 1085330), (38, 542665), (95, 217066), (190, 108533)]